64320460377 has 16 divisors (see below), whose sum is σ = 88639501632. Its totient is φ = 41455627200.

The previous prime is 64320460363. The next prime is 64320460387. The reversal of 64320460377 is 77306402346.

It is not a de Polignac number, because 64320460377 - 2⁷ = 64320460249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64320460387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827999 + ... + 1862852.

It is an arithmetic number, because the mean of its divisors is an integer number (5539968852).

Almost surely, 2^64320460377 is an apocalyptic number.

It is an amenable number.

64320460377 is a deficient number, since it is larger than the sum of its proper divisors (24319041255).

64320460377 is a wasteful number, since it uses less digits than its factorization.

64320460377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691048.

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 64320460377 in words is "sixty-four billion, three hundred twenty million, four hundred sixty thousand, three hundred seventy-seven".