65426470872 has 64 divisors (see below), whose sum is σ = 186951732480. Its totient is φ = 18691381632.

The previous prime is 65426470867. The next prime is 65426470909. The reversal of 65426470872 is 27807462456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183943 + ... + 3204425.

It is an arithmetic number, because the mean of its divisors is an integer number (2921120820).

Almost surely, 2^65426470872 is an apocalyptic number.

It is an amenable number.

65426470872 is an abundant number, since it is smaller than the sum of its proper divisors (121525261608).

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

65426470872 is a wasteful number, since it uses less digits than its factorization.

65426470872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39512 (or 39508 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 65426470872 in words is "sixty-five billion, four hundred twenty-six million, four hundred seventy thousand, eight hundred seventy-two".