79898804 has 12 divisors (see below), whose sum is σ = 139992804. Its totient is φ = 39900864.

The previous prime is 79898801. The next prime is 79898821. The reversal of 79898804 is 40889897.

It can be written as a sum of positive squares in 2 ways, for example, as 16728100 + 63170704 = 4090^2 + 7948^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79898801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8297 + ... + 15120.

It is an arithmetic number, because the mean of its divisors is an integer number (11666067).

Almost surely, 2^79898804 is an apocalyptic number.

It is an amenable number.

79898804 is a deficient number, since it is larger than the sum of its proper divisors (60094000).

79898804 is a wasteful number, since it uses less digits than its factorization.

79898804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274 (or 24272 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 79898804 is about 8938.6130915260. The cubic root of 79898804 is about 430.7051778682.

The spelling of 79898804 in words is "seventy-nine million, eight hundred ninety-eight thousand, eight hundred four".