79268861 has 8 divisors (see below), whose sum is σ = 93717120. Its totient is φ = 65601648.

The previous prime is 79268857. The next prime is 79268863. The reversal of 79268861 is 16886297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79268861 - 2² = 79268857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79268863) 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 7 ways as a sum of consecutive naturals, for example, 195041 + ... + 195446.

It is an arithmetic number, because the mean of its divisors is an integer number (11714640).

Almost surely, 2^79268861 is an apocalyptic number.

It is an amenable number.

79268861 is a deficient number, since it is larger than the sum of its proper divisors (14448259).

79268861 is a wasteful number, since it uses less digits than its factorization.

79268861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390523.

The product of its digits is 290304, while the sum is 47.

The square root of 79268861 is about 8903.3061836601. The cubic root of 79268861 is about 429.5702593221.

The spelling of 79268861 in words is "seventy-nine million, two hundred sixty-eight thousand, eight hundred sixty-one".