79090902 has 48 divisors (see below), whose sum is σ = 197947152. Its totient is φ = 22556160.

The previous prime is 79090897. The next prime is 79090909. The reversal of 79090902 is 20909097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79090909) 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, 8383 + ... + 15114.

It is an arithmetic number, because the mean of its divisors is an integer number (4123899).

Almost surely, 2^79090902 is an apocalyptic number.

79090902 is an abundant number, since it is smaller than the sum of its proper divisors (118856250).

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

79090902 is a wasteful number, since it uses less digits than its factorization.

79090902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23533 (or 23530 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 79090902 is about 8893.3065841677. The cubic root of 79090902 is about 429.2485559806.

Adding to 79090902 its reverse (20909097), we get a palindrome (99999999).

It can be divided in two parts, 7 and 9090902, that added together give a palindrome (9090909).

The spelling of 79090902 in words is "seventy-nine million, ninety thousand, nine hundred two".