865808231048 has 48 divisors (see below), whose sum is σ = 1766562455700. Its totient is φ = 397501583360.

The previous prime is 865808231009. The next prime is 865808231081. The reversal of 865808231048 is 840132808568.

It can be written as a sum of positive squares in 6 ways, for example, as 642950592964 + 222857638084 = 801842^2 + 472078^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4472093 + ... + 4661676.

Almost surely, 2^865808231048 is an apocalyptic number.

It is an amenable number.

865808231048 is an abundant number, since it is smaller than the sum of its proper divisors (900754224652).

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

865808231048 is a wasteful number, since it uses less digits than its factorization.

865808231048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133850 (or 9133829 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 865808231048 in words is "eight hundred sixty-five billion, eight hundred eight million, two hundred thirty-one thousand, forty-eight".