865928027690001 has 32 divisors (see below), whose sum is σ = 1304202261248640. Its totient is φ = 567684265752000.

The previous prime is 865928027689903. The next prime is 865928027690027. The reversal of 865928027690001 is 100096720829568.

865928027690001 is a `hidden beast` number, since 86 + 5 + 9 + 280 + 276 + 9 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 865928027690001 - 2¹³ = 865928027681809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (865928027690101) 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, 56798175 + ... + 70412276.

It is an arithmetic number, because the mean of its divisors is an integer number (40756320664020).

Almost surely, 2^{865928027690001} is an apocalyptic number.

It is an amenable number.

865928027690001 is a deficient number, since it is larger than the sum of its proper divisors (438274233558639).

865928027690001 is a wasteful number, since it uses less digits than its factorization.

865928027690001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127214654 (or 127214648 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 865928027690001 in words is "eight hundred sixty-five trillion, nine hundred twenty-eight billion, twenty-seven million, six hundred ninety thousand, one".