79472735064 has 64 divisors (see below), whose sum is σ = 221240930400. Its totient is φ = 26432911872.

The previous prime is 79472735057. The next prime is 79472735071. The reversal of 79472735064 is 46053727497.

79472735064 is a `hidden beast` number, since 79 + 47 + 27 + 3 + 506 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (79472735057) and next prime (79472735071).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 79472735064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303837 + ... + 501260.

Almost surely, 2^79472735064 is an apocalyptic number.

It is an amenable number.

79472735064 is an abundant number, since it is smaller than the sum of its proper divisors (141768195336).

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

79472735064 is a wasteful number, since it uses less digits than its factorization.

79472735064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805569 (or 805559 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 79472735064 in words is "seventy-nine billion, four hundred seventy-two million, seven hundred thirty-five thousand, sixty-four".