851438882 has 16 divisors (see below), whose sum is σ = 1495210752. Its totient is φ = 356002080.

The previous prime is 851438851. The next prime is 851438947. The reversal of 851438882 is 288834158.

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, 741098 + ... + 742245.

It is an arithmetic number, because the mean of its divisors is an integer number (93450672).

Almost surely, 2^851438882 is an apocalyptic number.

851438882 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

851438882 is a deficient number, since it is larger than the sum of its proper divisors (643771870).

851438882 is a wasteful number, since it uses less digits than its factorization.

851438882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483393.

The product of its digits is 491520, while the sum is 47.

The square root of 851438882 is about 29179.4256626137. The cubic root of 851438882 is about 947.8024484947.

The spelling of 851438882 in words is "eight hundred fifty-one million, four hundred thirty-eight thousand, eight hundred eighty-two".