25787832775580 has 96 divisors (see below), whose sum is σ = 57935423145600. Its totient is φ = 9607563804672.

The previous prime is 25787832775553. The next prime is 25787832775589. The reversal of 25787832775580 is 8557723878752.

It is a super-2 number, since 2×25787832775580² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25787832775498 and 25787832775507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25787832775589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710997686 + ... + 711033954.

It is an arithmetic number, because the mean of its divisors is an integer number (603493991100).

Almost surely, 2^{25787832775580} is an apocalyptic number.

25787832775580 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 25787832775580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28967711572800).

25787832775580 is an abundant number, since it is smaller than the sum of its proper divisors (32147590370020).

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

25787832775580 is a wasteful number, since it uses less digits than its factorization.

25787832775580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57951 (or 57949 counting only the distinct ones).

The product of its (nonzero) digits is 1843968000, while the sum is 74.

The spelling of 25787832775580 in words is "twenty-five trillion, seven hundred eighty-seven billion, eight hundred thirty-two million, seven hundred seventy-five thousand, five hundred eighty".