64577460296 has 8 divisors (see below), whose sum is σ = 121082738070. Its totient is φ = 32288730144.

The previous prime is 64577460263. The next prime is 64577460307. The reversal of 64577460296 is 69206477546.

It can be written as a sum of positive squares in only one way, i.e., 60410757796 + 4166702500 = 245786^2 + 64550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036091261 + ... + 4036091276.

Almost surely, 2^64577460296 is an apocalyptic number.

It is an amenable number.

64577460296 is a deficient number, since it is larger than the sum of its proper divisors (56505277774).

64577460296 is a wasteful number, since it uses less digits than its factorization.

64577460296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072182543 (or 8072182539 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 64577460296 in words is "sixty-four billion, five hundred seventy-seven million, four hundred sixty thousand, two hundred ninety-six".