25739898687360 has 768 divisors, whose sum is σ = 106643995960320. Its totient is φ = 5637416140800.

The previous prime is 25739898687341. The next prime is 25739898687379. The reversal of 25739898687360 is 6378689893752.

25739898687360 is a `hidden beast` number, since 2 + 5 + 7 + 3 + 98 + 98 + 6 + 87 + 360 = 666.

It is an interprime number because it is at equal distance from previous prime (25739898687341) and next prime (25739898687379).

It is a self number, because there is not a number n which added to its sum of digits gives 25739898687360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38380515 + ... + 39045405.

It is an arithmetic number, because the mean of its divisors is an integer number (138859369740).

Almost surely, 2^{25739898687360} is an apocalyptic number.

25739898687360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25739898687360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53321997980160).

25739898687360 is an abundant number, since it is smaller than the sum of its proper divisors (80904097272960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25739898687360 is a wasteful number, since it uses less digits than its factorization.

25739898687360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664987 (or 664972 counting only the distinct ones).

The product of its (nonzero) digits is 6584094720, while the sum is 81.

The spelling of 25739898687360 in words is "twenty-five trillion, seven hundred thirty-nine billion, eight hundred ninety-eight million, six hundred eighty-seven thousand, three hundred sixty".