864308508290 has 8 divisors (see below), whose sum is σ = 1555755314940. Its totient is φ = 345723403312.

The previous prime is 864308508289. The next prime is 864308508307. The reversal of 864308508290 is 92805803468.

It can be written as a sum of positive squares in 2 ways, for example, as 758384947609 + 105923560681 = 870853^2 + 325459^2 .

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

It is an unprimeable number.

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, 43215425405 + ... + 43215425424.

Almost surely, 2^864308508290 is an apocalyptic number.

864308508290 is a deficient number, since it is larger than the sum of its proper divisors (691446806650).

864308508290 is a wasteful number, since it uses less digits than its factorization.

864308508290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86430850836.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 864308508290 in words is "eight hundred sixty-four billion, three hundred eight million, five hundred eight thousand, two hundred ninety".