64607758479 has 48 divisors (see below), whose sum is σ = 107211012480. Its totient is φ = 37079225280.

The previous prime is 64607758469. The next prime is 64607758487. The reversal of 64607758479 is 97485770646.

64607758479 is a `hidden beast` number, since 6 + 46 + 0 + 7 + 7 + 584 + 7 + 9 = 666.

64607758479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64607758479 - 2¹⁶ = 64607692943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64607758469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5330344 + ... + 5342450.

It is an arithmetic number, because the mean of its divisors is an integer number (2233562760).

Almost surely, 2^64607758479 is an apocalyptic number.

64607758479 is a deficient number, since it is larger than the sum of its proper divisors (42603254001).

64607758479 is a wasteful number, since it uses less digits than its factorization.

64607758479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980 (or 14977 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 64607758479 in words is "sixty-four billion, six hundred seven million, seven hundred fifty-eight thousand, four hundred seventy-nine".