79408289802 has 16 divisors (see below), whose sum is σ = 162509988960. Its totient is φ = 25853861712.

The previous prime is 79408289801. The next prime is 79408289819. The reversal of 79408289802 is 20898280497.

It is not an unprimeable number, because it can be changed into a prime (79408289801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153891777 + ... + 153892292.

It is an arithmetic number, because the mean of its divisors is an integer number (10156874310).

Almost surely, 2^79408289802 is an apocalyptic number.

79408289802 is an abundant number, since it is smaller than the sum of its proper divisors (83101699158).

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

79408289802 is a wasteful number, since it uses less digits than its factorization.

79408289802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307784117.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 79408289802 in words is "seventy-nine billion, four hundred eight million, two hundred eighty-nine thousand, eight hundred two".