79270079889 has 32 divisors (see below), whose sum is σ = 141910078464. Its totient is φ = 38011625280.

The previous prime is 79270079857. The next prime is 79270079939. The reversal of 79270079889 is 98897007297.

It is not a de Polignac number, because 79270079889 - 2⁵ = 79270079857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79270079809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13195479 + ... + 13201484.

It is an arithmetic number, because the mean of its divisors is an integer number (4434689952).

Almost surely, 2^79270079889 is an apocalyptic number.

It is an amenable number.

79270079889 is a deficient number, since it is larger than the sum of its proper divisors (62639998575).

79270079889 is a wasteful number, since it uses less digits than its factorization.

79270079889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396997.

The product of its (nonzero) digits is 32006016, while the sum is 66.

The spelling of 79270079889 in words is "seventy-nine billion, two hundred seventy million, seventy-nine thousand, eight hundred eighty-nine".