86723499 has 8 divisors (see below), whose sum is σ = 115870720. Its totient is φ = 57695976.

The previous prime is 86723479. The next prime is 86723521. The reversal of 86723499 is 99432768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86723499 - 2¹² = 86719403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86723479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28219 + ... + 31140.

It is an arithmetic number, because the mean of its divisors is an integer number (14483840).

Almost surely, 2^86723499 is an apocalyptic number.

86723499 is a deficient number, since it is larger than the sum of its proper divisors (29147221).

86723499 is a wasteful number, since it uses less digits than its factorization.

86723499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59849.

The product of its digits is 653184, while the sum is 48.

The square root of 86723499 is about 9312.5452482122. The cubic root of 86723499 is about 442.6348428785.

The spelling of 86723499 in words is "eighty-six million, seven hundred twenty-three thousand, four hundred ninety-nine".