79700500 has 96 divisors (see below), whose sum is σ = 194882688. Its totient is φ = 28224000.

The previous prime is 79700477. The next prime is 79700521. The reversal of 79700500 is 500797.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236332 + ... + 236668.

It is an arithmetic number, because the mean of its divisors is an integer number (2030028).

Almost surely, 2^79700500 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 79700500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97441344).

79700500 is an abundant number, since it is smaller than the sum of its proper divisors (115182188).

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

79700500 is a wasteful number, since it uses less digits than its factorization.

79700500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 79700500 is about 8927.5136516278. The cubic root of 79700500 is about 430.3485545974.

It can be divided in two parts, 79700 and 500, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 79700500 in words is "seventy-nine million, seven hundred thousand, five hundred".