79803612 has 36 divisors (see below), whose sum is σ = 230544496. Its totient is φ = 22800960.

The previous prime is 79803611. The next prime is 79803617. The reversal of 79803612 is 21630897.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79803611) 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 11 ways as a sum of consecutive naturals, for example, 158089 + ... + 158592.

Almost surely, 2^79803612 is an apocalyptic number.

It is an amenable number.

79803612 is an abundant number, since it is smaller than the sum of its proper divisors (150740884).

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

79803612 is a wasteful number, since it uses less digits than its factorization.

79803612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316698 (or 316693 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 79803612 is about 8933.2867411720. The cubic root of 79803612 is about 430.5340614958.

The spelling of 79803612 in words is "seventy-nine million, eight hundred three thousand, six hundred twelve".