79851936 has 48 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 26277888.

The previous prime is 79851923. The next prime is 79851949. The reversal of 79851936 is 63915897.

It is an interprime number because it is at equal distance from previous prime (79851923) and next prime (79851949).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320 + ... + 12848.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^79851936 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 79851936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

79851936 is an abundant number, since it is smaller than the sum of its proper divisors (132432864).

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

79851936 is a wasteful number, since it uses less digits than its factorization.

79851936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621 (or 10613 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 79851936 is about 8935.9910474440. The cubic root of 79851936 is about 430.6209453241.

The spelling of 79851936 in words is "seventy-nine million, eight hundred fifty-one thousand, nine hundred thirty-six".