79540362729 has 12 divisors (see below), whose sum is σ = 116509828032. Its totient is φ = 52280050200.

The previous prime is 79540362691. The next prime is 79540362751. The reversal of 79540362729 is 92726304597.

79540362729 is a `hidden beast` number, since 7 + 9 + 5 + 4 + 0 + 3 + 627 + 2 + 9 = 666.

It is not a de Polignac number, because 79540362729 - 2¹¹ = 79540360681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79540362029) 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, 62237517 + ... + 62238794.

It is an arithmetic number, because the mean of its divisors is an integer number (9709152336).

Almost surely, 2^79540362729 is an apocalyptic number.

It is an amenable number.

79540362729 is a deficient number, since it is larger than the sum of its proper divisors (36969465303).

79540362729 is a wasteful number, since it uses less digits than its factorization.

79540362729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124476388 (or 124476385 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 79540362729 in words is "seventy-nine billion, five hundred forty million, three hundred sixty-two thousand, seven hundred twenty-nine".