25783868880 has 240 divisors, whose sum is σ = 107957625984. Its totient is φ = 5357675520.

The previous prime is 25783868861. The next prime is 25783868899. The reversal of 25783868880 is 8886838752.

It is an interprime number because it is at equal distance from previous prime (25783868861) and next prime (25783868899).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177099 + ... + 287978.

Almost surely, 2^25783868880 is an apocalyptic number.

25783868880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25783868880 is an abundant number, since it is smaller than the sum of its proper divisors (82173757104).

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

25783868880 is a wasteful number, since it uses less digits than its factorization.

25783868880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465114 (or 465105 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 63.

The spelling of 25783868880 in words is "twenty-five billion, seven hundred eighty-three million, eight hundred sixty-eight thousand, eight hundred eighty".