25276364685 has 80 divisors (see below), whose sum is σ = 53231713920. Its totient is φ = 11312472960.

The previous prime is 25276364669. The next prime is 25276364723. The reversal of 25276364685 is 58646367252.

25276364685 is a `hidden beast` number, since 2 + 5 + 276 + 364 + 6 + 8 + 5 = 666.

It is not a de Polignac number, because 25276364685 - 2⁴ = 25276364669 is a prime.

It is a super-2 number, since 2×25276364685² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 160305 + ... + 276134.

It is an arithmetic number, because the mean of its divisors is an integer number (665396424).

Almost surely, 2^25276364685 is an apocalyptic number.

It is an amenable number.

25276364685 is an abundant number, since it is smaller than the sum of its proper divisors (27955349235).

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

25276364685 is a wasteful number, since it uses less digits than its factorization.

25276364685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436480 (or 436471 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 25276364685 in words is "twenty-five billion, two hundred seventy-six million, three hundred sixty-four thousand, six hundred eighty-five".