811955952 has 60 divisors (see below), whose sum is σ = 2274825384. Its totient is φ = 270357120.

The previous prime is 811955941. The next prime is 811955953. The reversal of 811955952 is 259559118.

811955952 is a `hidden beast` number, since 81 + 19 + 559 + 5 + 2 = 666.

811955952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 811955898 and 811955907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811955953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159202 + ... + 164222.

Almost surely, 2^811955952 is an apocalyptic number.

It is an amenable number.

811955952 is an abundant number, since it is smaller than the sum of its proper divisors (1462869432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811955952 is a wasteful number, since it uses less digits than its factorization.

811955952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158 (or 6149 counting only the distinct ones).

The product of its digits is 162000, while the sum is 45.

The square root of 811955952 is about 28494.8407961862. The cubic root of 811955952 is about 932.9194693437.

The spelling of 811955952 in words is "eight hundred eleven million, nine hundred fifty-five thousand, nine hundred fifty-two".