64967876946 has 96 divisors (see below), whose sum is σ = 173282623488. Its totient is φ = 17182424160.

The previous prime is 64967876903. The next prime is 64967876971.

64967876946 is a `hidden beast` number, since 6 + 496 + 78 + 7 + 69 + 4 + 6 = 666.

64967876946 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271746 + ... + 451421.

It is an arithmetic number, because the mean of its divisors is an integer number (1805027328).

Almost surely, 2^64967876946 is an apocalyptic number.

64967876946 is an abundant number, since it is smaller than the sum of its proper divisors (108314746542).

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

64967876946 is a wasteful number, since it uses less digits than its factorization.

64967876946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723236 (or 723233 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 72.

The spelling of 64967876946 in words is "sixty-four billion, nine hundred sixty-seven million, eight hundred seventy-six thousand, nine hundred forty-six".