79280912986 has 32 divisors (see below), whose sum is σ = 137536750080. Its totient is φ = 33931742400.

The previous prime is 79280912983. The next prime is 79280913011. The reversal of 79280912986 is 68921908297.

It is not an unprimeable number, because it can be changed into a prime (79280912983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545681 + ... + 1596148.

It is an arithmetic number, because the mean of its divisors is an integer number (4298023440).

Almost surely, 2^79280912986 is an apocalyptic number.

79280912986 is a deficient number, since it is larger than the sum of its proper divisors (58255837094).

79280912986 is a wasteful number, since it uses less digits than its factorization.

79280912986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141910.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 79280912986 in words is "seventy-nine billion, two hundred eighty million, nine hundred twelve thousand, nine hundred eighty-six".