464978565664 has 24 divisors (see below), whose sum is σ = 929089638288. Its totient is φ = 229019292480.

The previous prime is 464978565659. The next prime is 464978565697. The reversal of 464978565664 is 466565879464.

It is a junction number, because it is equal to n+sod(n) for n = 464978565593 and 464978565602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108435022 + ... + 108439309.

It is an arithmetic number, because the mean of its divisors is an integer number (38712068262).

Almost surely, 2^464978565664 is an apocalyptic number.

It is an amenable number.

464978565664 is a deficient number, since it is larger than the sum of its proper divisors (464111072624).

464978565664 is a wasteful number, since it uses less digits than its factorization.

464978565664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216874408 (or 216874400 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 70.

The spelling of 464978565664 in words is "four hundred sixty-four billion, nine hundred seventy-eight million, five hundred sixty-five thousand, six hundred sixty-four".