79967693 has 24 divisors (see below), whose sum is σ = 91920024. Its totient is φ = 69102720.

The previous prime is 79967683. The next prime is 79967717. The reversal of 79967693 is 39676997.

It can be written as a sum of positive squares in 4 ways, for example, as 30448324 + 49519369 = 5518^2 + 7037^2 .

It is not a de Polignac number, because 79967693 - 2¹⁴ = 79951309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79967603) 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 23 ways as a sum of consecutive naturals, for example, 462155 + ... + 462327.

It is an arithmetic number, because the mean of its divisors is an integer number (3830001).

Almost surely, 2^79967693 is an apocalyptic number.

It is an amenable number.

79967693 is a deficient number, since it is larger than the sum of its proper divisors (11952331).

79967693 is a wasteful number, since it uses less digits than its factorization.

79967693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 254 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 56.

The square root of 79967693 is about 8942.4657114243. The cubic root of 79967693 is about 430.8289274288.

The spelling of 79967693 in words is "seventy-nine million, nine hundred sixty-seven thousand, six hundred ninety-three".