79307940378 has 32 divisors (see below), whose sum is σ = 158881859136. Its totient is φ = 26391685248.

The previous prime is 79307940377. The next prime is 79307940409. The reversal of 79307940378 is 87304970397.

It is not an unprimeable number, because it can be changed into a prime (79307940377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19810125 + ... + 19814127.

It is an arithmetic number, because the mean of its divisors is an integer number (4965058098).

Almost surely, 2^79307940378 is an apocalyptic number.

79307940378 is an abundant number, since it is smaller than the sum of its proper divisors (79573918758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79307940378 is a wasteful number, since it uses less digits than its factorization.

79307940378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 79307940378 in words is "seventy-nine billion, three hundred seven million, nine hundred forty thousand, three hundred seventy-eight".