25935997806974 has 32 divisors (see below), whose sum is σ = 42332709455136. Its totient is φ = 11867745853440.

The previous prime is 25935997806881. The next prime is 25935997807007. The reversal of 25935997806974 is 47960879953952.

It is a junction number, because it is equal to n+sod(n) for n = 25935997806892 and 25935997806901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4585379 + ... + 8538014.

It is an arithmetic number, because the mean of its divisors is an integer number (1322897170473).

Almost surely, 2^{25935997806974} is an apocalyptic number.

25935997806974 is a deficient number, since it is larger than the sum of its proper divisors (16396711648162).

25935997806974 is a wasteful number, since it uses less digits than its factorization.

25935997806974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125020.

The product of its (nonzero) digits is 9258883200, while the sum is 83.

The spelling of 25935997806974 in words is "twenty-five trillion, nine hundred thirty-five billion, nine hundred ninety-seven million, eight hundred six thousand, nine hundred seventy-four".