86380499 has 4 divisors (see below), whose sum is σ = 86417160. Its totient is φ = 86343840.

The previous prime is 86380471. The next prime is 86380529. The reversal of 86380499 is 99408368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86380499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86380199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14534 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (21604290).

Almost surely, 2^86380499 is an apocalyptic number.

86380499 is a deficient number, since it is larger than the sum of its proper divisors (36661).

86380499 is a wasteful number, since it uses less digits than its factorization.

86380499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36660.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 86380499 is about 9294.1109849194. The cubic root of 86380499 is about 442.0505170109.

The spelling of 86380499 in words is "eighty-six million, three hundred eighty thousand, four hundred ninety-nine".