811406152 has 32 divisors (see below), whose sum is σ = 1612926720. Its totient is φ = 382000320.

The previous prime is 811406149. The next prime is 811406159. The reversal of 811406152 is 251604118.

It is a self number, because there is not a number n which added to its sum of digits gives 811406152.

It is not an unprimeable number, because it can be changed into a prime (811406159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35038 + ... + 53389.

It is an arithmetic number, because the mean of its divisors is an integer number (50403960).

Almost surely, 2^811406152 is an apocalyptic number.

It is an amenable number.

811406152 is a deficient number, since it is larger than the sum of its proper divisors (801520568).

811406152 is a wasteful number, since it uses less digits than its factorization.

811406152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88501 (or 88497 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 811406152 is about 28485.1918020574. The cubic root of 811406152 is about 932.7088524428.

The spelling of 811406152 in words is "eight hundred eleven million, four hundred six thousand, one hundred fifty-two".