79652820 has 96 divisors (see below), whose sum is σ = 254354688. Its totient is φ = 18450432.

The previous prime is 79652801. The next prime is 79652831. The reversal of 79652820 is 2825697.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10257 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (2649528).

Almost surely, 2^79652820 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 79652820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127177344).

79652820 is an abundant number, since it is smaller than the sum of its proper divisors (174701868).

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

79652820 is a wasteful number, since it uses less digits than its factorization.

79652820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 79652820 is about 8924.8428557594. The cubic root of 79652820 is about 430.2627202876.

The spelling of 79652820 in words is "seventy-nine million, six hundred fifty-two thousand, eight hundred twenty".