79040138270 has 16 divisors (see below), whose sum is σ = 142306046640. Its totient is φ = 31608544704.

The previous prime is 79040138257. The next prime is 79040138297. The reversal of 79040138270 is 7283104097.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894527 + ... + 978906.

It is an arithmetic number, because the mean of its divisors is an integer number (8894127915).

Almost surely, 2^79040138270 is an apocalyptic number.

79040138270 is a deficient number, since it is larger than the sum of its proper divisors (63265908370).

79040138270 is a wasteful number, since it uses less digits than its factorization.

79040138270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877659.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 79040138270 in words is "seventy-nine billion, forty million, one hundred thirty-eight thousand, two hundred seventy".