25747870756 has 48 divisors (see below), whose sum is σ = 47759298048. Its totient is φ = 12126643200.

The previous prime is 25747870747. The next prime is 25747870781. The reversal of 25747870756 is 65707874752.

It is a self number, because there is not a number n which added to its sum of digits gives 25747870756.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554036 + ... + 1570516.

It is an arithmetic number, because the mean of its divisors is an integer number (994985376).

Almost surely, 2^25747870756 is an apocalyptic number.

It is an amenable number.

25747870756 is a deficient number, since it is larger than the sum of its proper divisors (22011427292).

25747870756 is a wasteful number, since it uses less digits than its factorization.

25747870756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16852 (or 16850 counting only the distinct ones).

The product of its (nonzero) digits is 23049600, while the sum is 58.

The spelling of 25747870756 in words is "twenty-five billion, seven hundred forty-seven million, eight hundred seventy thousand, seven hundred fifty-six".