817996750002 has 16 divisors (see below), whose sum is σ = 1817770555680. Its totient is φ = 272665583316.

The previous prime is 817996749967. The next prime is 817996750049. The reversal of 817996750002 is 200057699718.

817996750002 is a `hidden beast` number, since 8 + 1 + 79 + 9 + 67 + 500 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 15148087963 = 817996750002 / (8 + 1 + 7 + 9 + 9 + 6 + 7 + 5 + 0 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7574043928 + ... + 7574044035.

It is an arithmetic number, because the mean of its divisors is an integer number (113610659730).

Almost surely, 2^817996750002 is an apocalyptic number.

817996750002 is an abundant number, since it is smaller than the sum of its proper divisors (999773805678).

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

817996750002 is a wasteful number, since it uses less digits than its factorization.

817996750002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15148087974 (or 15148087968 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 817996750002 in words is "eight hundred seventeen billion, nine hundred ninety-six million, seven hundred fifty thousand, two".