811054272 has 84 divisors (see below), whose sum is σ = 2496296760. Its totient is φ = 231727104.

The previous prime is 811054243. The next prime is 811054301. The reversal of 811054272 is 272450118.

It is an interprime number because it is at equal distance from previous prime (811054243) and next prime (811054301).

It is a tau number, because it is divible by the number of its divisors (84).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 33697 + ... + 52512.

Almost surely, 2^811054272 is an apocalyptic number.

It is an amenable number.

811054272 is an abundant number, since it is smaller than the sum of its proper divisors (1685242488).

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

811054272 is a wasteful number, since it uses less digits than its factorization.

811054272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86238 (or 86221 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 811054272 is about 28479.0145896939. The cubic root of 811054272 is about 932.5740046254.

The spelling of 811054272 in words is "eight hundred eleven million, fifty-four thousand, two hundred seventy-two".