25703664627 has 16 divisors (see below), whose sum is σ = 35463515040. Its totient is φ = 16540134912.

The previous prime is 25703664599. The next prime is 25703664661. The reversal of 25703664627 is 72646630752.

It is not a de Polignac number, because 25703664627 - 2¹⁹ = 25703140339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25703664677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275803 + ... + 357035.

It is an arithmetic number, because the mean of its divisors is an integer number (2216469690).

Almost surely, 2^25703664627 is an apocalyptic number.

25703664627 is a deficient number, since it is larger than the sum of its proper divisors (9759850413).

25703664627 is a wasteful number, since it uses less digits than its factorization.

25703664627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84902.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 25703664627 in words is "twenty-five billion, seven hundred three million, six hundred sixty-four thousand, six hundred twenty-seven".