811896982 has 32 divisors (see below), whose sum is σ = 1404345600. Its totient is φ = 348699648.

The previous prime is 811896979. The next prime is 811897001. The reversal of 811896982 is 289698118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29019 + ... + 49657.

It is an arithmetic number, because the mean of its divisors is an integer number (43885800).

Almost surely, 2^811896982 is an apocalyptic number.

811896982 is a deficient number, since it is larger than the sum of its proper divisors (592448618).

811896982 is a wasteful number, since it uses less digits than its factorization.

811896982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20760.

The product of its digits is 497664, while the sum is 52.

The square root of 811896982 is about 28493.8060286793. The cubic root of 811896982 is about 932.8968837207.

The spelling of 811896982 in words is "eight hundred eleven million, eight hundred ninety-six thousand, nine hundred eighty-two".