79519058091 has 48 divisors (see below), whose sum is σ = 128167902720. Its totient is φ = 47094586560.

The previous prime is 79519058051. The next prime is 79519058147. The reversal of 79519058091 is 19085091597.

79519058091 is a `hidden beast` number, since 7 + 9 + 51 + 9 + 0 + 580 + 9 + 1 = 666.

It is not a de Polignac number, because 79519058091 - 2¹³ = 79519049899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79519058041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3053361 + ... + 3079293.

It is an arithmetic number, because the mean of its divisors is an integer number (2670164640).

Almost surely, 2^79519058091 is an apocalyptic number.

79519058091 is a deficient number, since it is larger than the sum of its proper divisors (48648844629).

79519058091 is a wasteful number, since it uses less digits than its factorization.

79519058091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26656 (or 26653 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 54.

The spelling of 79519058091 in words is "seventy-nine billion, five hundred nineteen million, fifty-eight thousand, ninety-one".