64745677000 has 32 divisors (see below), whose sum is σ = 151504886520. Its totient is φ = 25898270400.

The previous prime is 64745676937. The next prime is 64745677021. The reversal of 64745677000 is 77654746.

It can be written as a sum of positive squares in 4 ways, for example, as 2568259684 + 62177417316 = 50678^2 + 249354^2 .

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, 32371839 + ... + 32373838.

Almost surely, 2^64745677000 is an apocalyptic number.

It is an amenable number.

64745677000 is an abundant number, since it is smaller than the sum of its proper divisors (86759209520).

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

64745677000 is a wasteful number, since it uses less digits than its factorization.

64745677000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64745698 (or 64745684 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 64745677000 in words is "sixty-four billion, seven hundred forty-five million, six hundred seventy-seven thousand".