79336298889 has 9 divisors (see below), whose sum is σ = 114598096743. Its totient is φ = 52890302592.

The previous prime is 79336298869. The next prime is 79336298897. The reversal of 79336298889 is 98889263397.

The square root of 79336298889 is 281667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 487658889 + 78848640000 = 22083^2 + 280800^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-79336298889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79336298869) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 798057 + ... + 891945.

Almost surely, 2^79336298889 is an apocalyptic number.

79336298889 is the 281667-th square number.

79336298889 is the 140834-th centered octagonal number.

It is an amenable number.

79336298889 is a deficient number, since it is larger than the sum of its proper divisors (35261797854).

79336298889 is an frugal number, since it uses more digits than its factorization.

79336298889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187784 (or 93892 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

It can be divided in two parts, 79336 and 298889, that added together give a square (378225 = 615²).

The spelling of 79336298889 in words is "seventy-nine billion, three hundred thirty-six million, two hundred ninety-eight thousand, eight hundred eighty-nine".