864731069 has 8 divisors (see below), whose sum is σ = 902715840. Its totient is φ = 826778656.

The previous prime is 864731029. The next prime is 864731071. The reversal of 864731069 is 960137468.

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 864731069 - 2⁸ = 864730813 is a prime.

It is a super-2 number, since 2×864731069² = 1495519643387765522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864731029) 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, 58169 + ... + 71505.

It is an arithmetic number, because the mean of its divisors is an integer number (112839480).

Almost surely, 2^864731069 is an apocalyptic number.

It is an amenable number.

864731069 is a deficient number, since it is larger than the sum of its proper divisors (37984771).

864731069 is a wasteful number, since it uses less digits than its factorization.

864731069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16179.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 864731069 is about 29406.3100201300. The cubic root of 864731069 is about 952.7091896385.

The spelling of 864731069 in words is "eight hundred sixty-four million, seven hundred thirty-one thousand, sixty-nine".