25067878756 has 24 divisors (see below), whose sum is σ = 45802983744. Its totient is φ = 11981951520.

The previous prime is 25067878723. The next prime is 25067878807. The reversal of 25067878756 is 65787876052.

It is a super-2 number, since 2×25067878756² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25067878694 and 25067878703.

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, 79446 + ... + 237586.

It is an arithmetic number, because the mean of its divisors is an integer number (1908457656).

Almost surely, 2^25067878756 is an apocalyptic number.

It is an amenable number.

25067878756 is a deficient number, since it is larger than the sum of its proper divisors (20735104988).

25067878756 is a wasteful number, since it uses less digits than its factorization.

25067878756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159891 (or 159889 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 61.

The spelling of 25067878756 in words is "twenty-five billion, sixty-seven million, eight hundred seventy-eight thousand, seven hundred fifty-six".