864803718402 has 64 divisors (see below), whose sum is σ = 1949821009920. Its totient is φ = 253882843200.

The previous prime is 864803718397. The next prime is 864803718407. The reversal of 864803718402 is 204817308468.

It is an interprime number because it is at equal distance from previous prime (864803718397) and next prime (864803718407).

It is not an unprimeable number, because it can be changed into a prime (864803718407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2347002 + ... + 2690357.

It is an arithmetic number, because the mean of its divisors is an integer number (30465953280).

Almost surely, 2^864803718402 is an apocalyptic number.

864803718402 is an abundant number, since it is smaller than the sum of its proper divisors (1085017291518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864803718402 is a wasteful number, since it uses less digits than its factorization.

864803718402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037479.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 864803718402 in words is "eight hundred sixty-four billion, eight hundred three million, seven hundred eighteen thousand, four hundred two".