79850789019 has 12 divisors (see below), whose sum is σ = 115343163936. Its totient is φ = 53232412272.

The previous prime is 79850788991. The next prime is 79850789023. The reversal of 79850789019 is 91098705897.

It is not a de Polignac number, because 79850789019 - 2²⁸ = 79582353563 is a prime.

It is a super-2 number, since 2×79850789019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79850789059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309694 + ... + 505580.

It is an arithmetic number, because the mean of its divisors is an integer number (9611930328).

Almost surely, 2^79850789019 is an apocalyptic number.

79850789019 is a deficient number, since it is larger than the sum of its proper divisors (35492374917).

79850789019 is a wasteful number, since it uses less digits than its factorization.

79850789019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241186 (or 241183 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 63.

The spelling of 79850789019 in words is "seventy-nine billion, eight hundred fifty million, seven hundred eighty-nine thousand, nineteen".