79970688 has 192 divisors, whose sum is σ = 269867520. Its totient is φ = 22256640.

The previous prime is 79970663. The next prime is 79970707. The reversal of 79970688 is 88607997.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 378903 + ... + 379113.

It is an arithmetic number, because the mean of its divisors is an integer number (1405560).

Almost surely, 2^79970688 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 79970688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134933760).

79970688 is an abundant number, since it is smaller than the sum of its proper divisors (189896832).

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

79970688 is a wasteful number, since it uses less digits than its factorization.

79970688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 79970688 is about 8942.6331692628. The cubic root of 79970688 is about 430.8343059197.

The spelling of 79970688 in words is "seventy-nine million, nine hundred seventy thousand, six hundred eighty-eight".