851260979 has 8 divisors (see below), whose sum is σ = 859451472. Its totient is φ = 843082240.

The previous prime is 851260877. The next prime is 851260999. The reversal of 851260979 is 979062158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-851260979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851260999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224459 + ... + 228219.

It is an arithmetic number, because the mean of its divisors is an integer number (107431434).

Almost surely, 2^851260979 is an apocalyptic number.

851260979 is a deficient number, since it is larger than the sum of its proper divisors (8190493).

851260979 is a wasteful number, since it uses less digits than its factorization.

851260979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 851260979 is about 29176.3770711855. The cubic root of 851260979 is about 947.7364313686.

The spelling of 851260979 in words is "eight hundred fifty-one million, two hundred sixty thousand, nine hundred seventy-nine".