864493083 has 24 divisors (see below), whose sum is σ = 1274457600. Its totient is φ = 564554880.

The previous prime is 864493081. The next prime is 864493093. The reversal of 864493083 is 380394468.

864493083 is a `hidden beast` number, since 86 + 4 + 493 + 0 + 83 = 666.

It is not a de Polignac number, because 864493083 - 2¹ = 864493081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864493081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93478 + ... + 102308.

It is an arithmetic number, because the mean of its divisors is an integer number (53102400).

Almost surely, 2^864493083 is an apocalyptic number.

864493083 is a deficient number, since it is larger than the sum of its proper divisors (409964517).

864493083 is a wasteful number, since it uses less digits than its factorization.

864493083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059 (or 9056 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 864493083 is about 29402.2632292142. The cubic root of 864493083 is about 952.6217820191.

The spelling of 864493083 in words is "eight hundred sixty-four million, four hundred ninety-three thousand, eighty-three".