86572799 has 4 divisors (see below), whose sum is σ = 86697000. Its totient is φ = 86448600.

The previous prime is 86572793. The next prime is 86572807. The reversal of 86572799 is 99727568.

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

It is a cyclic number.

It is not a de Polignac number, because 86572799 - 2²⁰ = 85524223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86572799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86572793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61049 + ... + 62450.

It is an arithmetic number, because the mean of its divisors is an integer number (21674250).

Almost surely, 2^86572799 is an apocalyptic number.

86572799 is a deficient number, since it is larger than the sum of its proper divisors (124201).

86572799 is a wasteful number, since it uses less digits than its factorization.

86572799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124200.

The product of its digits is 1905120, while the sum is 53.

The square root of 86572799 is about 9304.4504942527. The cubic root of 86572799 is about 442.3783043898.

The spelling of 86572799 in words is "eighty-six million, five hundred seventy-two thousand, seven hundred ninety-nine".