865007930000 has 50 divisors (see below), whose sum is σ = 2094270723534. Its totient is φ = 346003168000.

The previous prime is 865007929993. The next prime is 865007930023. The reversal of 865007930000 is 39700568.

It can be written as a sum of positive squares in 5 ways, for example, as 575146291456 + 289861638544 = 758384^2 + 538388^2 .

It is a tau number, because it is divible by the number of its divisors (50).

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 9 ways as a sum of consecutive naturals, for example, 43240397 + ... + 43260396.

Almost surely, 2^865007930000 is an apocalyptic number.

865007930000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

865007930000 is an abundant number, since it is smaller than the sum of its proper divisors (1229262793534).

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

865007930000 is an equidigital number, since it uses as much as digits as its factorization.

865007930000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86500821 (or 86500800 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 865007930000 in words is "eight hundred sixty-five billion, seven million, nine hundred thirty thousand".