64858884377 has 24 divisors (see below), whose sum is σ = 76265703360. Its totient is φ = 54031354560.

The previous prime is 64858884319. The next prime is 64858884397. The reversal of 64858884377 is 77348885846.

It is not a de Polignac number, because 64858884377 - 2²⁶ = 64791775513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64858884397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10164374 + ... + 10170752.

It is an arithmetic number, because the mean of its divisors is an integer number (3177737640).

Almost surely, 2^64858884377 is an apocalyptic number.

It is an amenable number.

64858884377 is a deficient number, since it is larger than the sum of its proper divisors (11406818983).

64858884377 is a wasteful number, since it uses less digits than its factorization.

64858884377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521 (or 7484 counting only the distinct ones).

The product of its digits is 289013760, while the sum is 68.

The spelling of 64858884377 in words is "sixty-four billion, eight hundred fifty-eight million, eight hundred eighty-four thousand, three hundred seventy-seven".