79658964 has 240 divisors, whose sum is σ = 270606336. Its totient is φ = 19828800.

The previous prime is 79658951. The next prime is 79658977. The reversal of 79658964 is 46985697.

It is an interprime number because it is at equal distance from previous prime (79658951) and next prime (79658977).

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3265920) is a multiple of the sum of its prime factors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 79658964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 773337 + ... + 773439.

Almost surely, 2^79658964 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 79658964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135303168).

79658964 is an abundant number, since it is smaller than the sum of its proper divisors (190947372).

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

79658964 is a wasteful number, since it uses less digits than its factorization.

79658964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 157 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 79658964 is about 8925.1870568633. The cubic root of 79658964 is about 430.2737827384.

The spelling of 79658964 in words is "seventy-nine million, six hundred fifty-eight thousand, nine hundred sixty-four".