64321677 has 12 divisors (see below), whose sum is σ = 106181920. Its totient is φ = 36755208.

The previous prime is 64321667. The next prime is 64321711. The reversal of 64321677 is 77612346.

64321677 is a `hidden beast` number, since 643 + 2 + 1 + 6 + 7 + 7 = 666.

It is not a de Polignac number, because 64321677 - 2⁶ = 64321613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64321667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510427 + ... + 510552.

Almost surely, 2^64321677 is an apocalyptic number.

It is an amenable number.

64321677 is a deficient number, since it is larger than the sum of its proper divisors (41860243).

64321677 is a wasteful number, since it uses less digits than its factorization.

64321677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020992 (or 1020989 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 64321677 is about 8020.0796130712. The cubic root of 64321677 is about 400.6690407539.

The spelling of 64321677 in words is "sixty-four million, three hundred twenty-one thousand, six hundred seventy-seven".