79182353138 has 32 divisors (see below), whose sum is σ = 144043729920. Its totient is φ = 31909672080.

The previous prime is 79182353119. The next prime is 79182353141. The reversal of 79182353138 is 83135328197.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2064968 + ... + 2102963.

It is an arithmetic number, because the mean of its divisors is an integer number (4501366560).

Almost surely, 2^79182353138 is an apocalyptic number.

79182353138 is a deficient number, since it is larger than the sum of its proper divisors (64861376782).

79182353138 is a wasteful number, since it uses less digits than its factorization.

79182353138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168022.

The product of its digits is 1088640, while the sum is 50.

The spelling of 79182353138 in words is "seventy-nine billion, one hundred eighty-two million, three hundred fifty-three thousand, one hundred thirty-eight".