79066939 has 12 divisors (see below), whose sum is σ = 95976144. Its totient is φ = 64824144.

The previous prime is 79066921. The next prime is 79066943. The reversal of 79066939 is 93966097.

It is not a de Polignac number, because 79066939 - 2⁵ = 79066907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79066892 and 79066901.

It is not an unprimeable number, because it can be changed into a prime (79066909) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33952 + ... + 36205.

It is an arithmetic number, because the mean of its divisors is an integer number (7998012).

Almost surely, 2^79066939 is an apocalyptic number.

79066939 is a deficient number, since it is larger than the sum of its proper divisors (16909205).

79066939 is a wasteful number, since it uses less digits than its factorization.

79066939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70194 (or 70187 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 79066939 is about 8891.9592329250. The cubic root of 79066939 is about 429.2052002895.

The spelling of 79066939 in words is "seventy-nine million, sixty-six thousand, nine hundred thirty-nine".