851879464 has 16 divisors (see below), whose sum is σ = 1616519520. Its totient is φ = 420807600.

The previous prime is 851879449. The next prime is 851879467. The reversal of 851879464 is 464978158.

It is not an unprimeable number, because it can be changed into a prime (851879467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640812 + ... + 642139.

It is an arithmetic number, because the mean of its divisors is an integer number (101032470).

Almost surely, 2^851879464 is an apocalyptic number.

It is an amenable number.

851879464 is a deficient number, since it is larger than the sum of its proper divisors (764640056).

851879464 is a wasteful number, since it uses less digits than its factorization.

851879464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283040 (or 1283036 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 851879464 is about 29186.9742179624. The cubic root of 851879464 is about 947.9659022672.

The spelling of 851879464 in words is "eight hundred fifty-one million, eight hundred seventy-nine thousand, four hundred sixty-four".