25784597760 has 72 divisors (see below), whose sum is σ = 82349571360. Its totient is φ = 6875891712.

The previous prime is 25784597749. The next prime is 25784597771. The reversal of 25784597760 is 6779548752.

It is an interprime number because it is at equal distance from previous prime (25784597749) and next prime (25784597771).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 25784597694 and 25784597703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353530 + ... + 3361209.

Almost surely, 2^25784597760 is an apocalyptic number.

25784597760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25784597760 is an abundant number, since it is smaller than the sum of its proper divisors (56564973600).

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

25784597760 is an equidigital number, since it uses as much as digits as its factorization.

25784597760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714763 (or 6714749 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 25784597760 in words is "twenty-five billion, seven hundred eighty-four million, five hundred ninety-seven thousand, seven hundred sixty".