79069938 has 16 divisors (see below), whose sum is σ = 159771360. Its totient is φ = 26084736.

The previous prime is 79069937. The next prime is 79069943. The reversal of 79069938 is 83996097.

It is not an unprimeable number, because it can be changed into a prime (79069937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67348 + ... + 68511.

It is an arithmetic number, because the mean of its divisors is an integer number (9985710).

Almost surely, 2^79069938 is an apocalyptic number.

79069938 is an abundant number, since it is smaller than the sum of its proper divisors (80701422).

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

79069938 is a wasteful number, since it uses less digits than its factorization.

79069938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135961.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 79069938 is about 8892.1278668269. The cubic root of 79069938 is about 429.2106267890.

The spelling of 79069938 in words is "seventy-nine million, sixty-nine thousand, nine hundred thirty-eight".