851617980059 has 8 divisors (see below), whose sum is σ = 1061757481728. Its totient is φ = 663598425960.

The previous prime is 851617979977. The next prime is 851617980097. The reversal of 851617980059 is 950089716158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 851617980059 - 2¹⁶ = 851617914523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851617986059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5529986807 + ... + 5529986960.

It is an arithmetic number, because the mean of its divisors is an integer number (132719685216).

Almost surely, 2^851617980059 is an apocalyptic number.

851617980059 is a deficient number, since it is larger than the sum of its proper divisors (210139501669).

851617980059 is a wasteful number, since it uses less digits than its factorization.

851617980059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059973785.

The product of its (nonzero) digits is 5443200, while the sum is 59.

The spelling of 851617980059 in words is "eight hundred fifty-one billion, six hundred seventeen million, nine hundred eighty thousand, fifty-nine".