86380515 has 48 divisors (see below), whose sum is σ = 162489600. Its totient is φ = 42197760.

The previous prime is 86380471. The next prime is 86380529. The reversal of 86380515 is 51508368.

86380515 is a `hidden beast` number, since 8 + 63 + 80 + 515 = 666.

It is not a de Polignac number, because 86380515 - 2¹⁹ = 85856227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86380515.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86670 + ... + 87660.

It is an arithmetic number, because the mean of its divisors is an integer number (3385200).

Almost surely, 2^86380515 is an apocalyptic number.

86380515 is a deficient number, since it is larger than the sum of its proper divisors (76109085).

86380515 is a wasteful number, since it uses less digits than its factorization.

86380515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 86380515 is about 9294.1118456795. Note that the first 3 decimals coincide. The cubic root of 86380515 is about 442.0505443041.

The spelling of 86380515 in words is "eighty-six million, three hundred eighty thousand, five hundred fifteen".