79261812 has 108 divisors (see below), whose sum is σ = 235531296. Its totient is φ = 22473360.

The previous prime is 79261801. The next prime is 79261829. The reversal of 79261812 is 21816297.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 604987 + ... + 605117.

Almost surely, 2^79261812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79261812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117765648).

79261812 is an abundant number, since it is smaller than the sum of its proper divisors (156269484).

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

79261812 is a wasteful number, since it uses less digits than its factorization.

79261812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 143 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 79261812 is about 8902.9103106793. The cubic root of 79261812 is about 429.5575257363.

The spelling of 79261812 in words is "seventy-nine million, two hundred sixty-one thousand, eight hundred twelve".