79287936 has 128 divisors (see below), whose sum is σ = 259324800. Its totient is φ = 20901888.

The previous prime is 79287911. The next prime is 79287941. The reversal of 79287936 is 63978297.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33810 + ... + 36078.

It is an arithmetic number, because the mean of its divisors is an integer number (2025975).

Almost surely, 2^79287936 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 79287936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129662400).

79287936 is an abundant number, since it is smaller than the sum of its proper divisors (180036864).

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

79287936 is a wasteful number, since it uses less digits than its factorization.

79287936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2294 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 79287936 is about 8904.3773504945. The cubic root of 79287936 is about 429.6047133537.

The spelling of 79287936 in words is "seventy-nine million, two hundred eighty-seven thousand, nine hundred thirty-six".