817064960272 has 40 divisors (see below), whose sum is σ = 1767140511840. Its totient is φ = 362756110080.

The previous prime is 817064960249. The next prime is 817064960317. The reversal of 817064960272 is 272069460718.

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, 53973997 + ... + 53989132.

It is an arithmetic number, because the mean of its divisors is an integer number (44178512796).

Almost surely, 2^817064960272 is an apocalyptic number.

It is an amenable number.

817064960272 is an abundant number, since it is smaller than the sum of its proper divisors (950075551568).

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

817064960272 is a wasteful number, since it uses less digits than its factorization.

817064960272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107963191 (or 107963185 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 817064960272 in words is "eight hundred seventeen billion, sixty-four million, nine hundred sixty thousand, two hundred seventy-two".