864152311 has 8 divisors (see below), whose sum is σ = 973122048. Its totient is φ = 760251000.

The previous prime is 864152309. The next prime is 864152369. The reversal of 864152311 is 113251468.

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 864152311 - 2¹ = 864152309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864152371) 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, 1266745 + ... + 1267426.

It is an arithmetic number, because the mean of its divisors is an integer number (121640256).

Almost surely, 2^864152311 is an apocalyptic number.

864152311 is the 13147-th centered decagonal number.

864152311 is a deficient number, since it is larger than the sum of its proper divisors (108969737).

864152311 is a wasteful number, since it uses less digits than its factorization.

864152311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534213.

The product of its digits is 5760, while the sum is 31.

The square root of 864152311 is about 29396.4676619488. The cubic root of 864152311 is about 952.4965951706.

The spelling of 864152311 in words is "eight hundred sixty-four million, one hundred fifty-two thousand, three hundred eleven".