864890858083 has 8 divisors (see below), whose sum is σ = 988793419520. Its totient is φ = 741074977800.

The previous prime is 864890858047. The next prime is 864890858107. The reversal of 864890858083 is 380858098468.

It is a happy number.

864890858083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 864890858083 - 2¹³ = 864890849891 is a prime.

It is a super-3 number, since 3×864890858083³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864890858023) 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, 21648903 + ... + 21688816.

It is an arithmetic number, because the mean of its divisors is an integer number (123599177440).

Almost surely, 2^864890858083 is an apocalyptic number.

864890858083 is a deficient number, since it is larger than the sum of its proper divisors (123902561437).

864890858083 is a wasteful number, since it uses less digits than its factorization.

864890858083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43340577.

The product of its (nonzero) digits is 106168320, while the sum is 67.

The spelling of 864890858083 in words is "eight hundred sixty-four billion, eight hundred ninety million, eight hundred fifty-eight thousand, eighty-three".