25917278462 has 16 divisors (see below), whose sum is σ = 41331578400. Its totient is φ = 12161346912.

The previous prime is 25917278459. The next prime is 25917278483. The reversal of 25917278462 is 26487271952.

25917278462 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

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, 5312837 + ... + 5317712.

It is an arithmetic number, because the mean of its divisors is an integer number (2583223650).

Almost surely, 2^25917278462 is an apocalyptic number.

25917278462 is a deficient number, since it is larger than the sum of its proper divisors (15414299938).

25917278462 is a wasteful number, since it uses less digits than its factorization.

25917278462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630627.

The product of its digits is 3386880, while the sum is 53.

The spelling of 25917278462 in words is "twenty-five billion, nine hundred seventeen million, two hundred seventy-eight thousand, four hundred sixty-two".