80786115 has 12 divisors (see below), whose sum is σ = 140029344. Its totient is φ = 43085904.

The previous prime is 80786099. The next prime is 80786117. The reversal of 80786115 is 51168708.

It is not a de Polignac number, because 80786115 - 2⁴ = 80786099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80786115.

It is not an unprimeable number, because it can be changed into a prime (80786117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897579 + ... + 897668.

It is an arithmetic number, because the mean of its divisors is an integer number (11669112).

Almost surely, 2^80786115 is an apocalyptic number.

80786115 is a deficient number, since it is larger than the sum of its proper divisors (59243229).

80786115 is a wasteful number, since it uses less digits than its factorization.

80786115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795258 (or 1795255 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 80786115 is about 8988.1096455261. The cubic root of 80786115 is about 432.2937013836.

The spelling of 80786115 in words is "eighty million, seven hundred eighty-six thousand, one hundred fifteen".