79253811 has 24 divisors (see below), whose sum is σ = 140897120. Its totient is φ = 41803776.

The previous prime is 79253809. The next prime is 79253833. The reversal of 79253811 is 11835297.

It is not a de Polignac number, because 79253811 - 2¹ = 79253809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79253611) 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, 47566 + ... + 49203.

Almost surely, 2^79253811 is an apocalyptic number.

79253811 is a deficient number, since it is larger than the sum of its proper divisors (61643309).

79253811 is a wasteful number, since it uses less digits than its factorization.

79253811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96795 (or 96792 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 79253811 is about 8902.4609518941. The cubic root of 79253811 is about 429.5430715062.

The spelling of 79253811 in words is "seventy-nine million, two hundred fifty-three thousand, eight hundred eleven".