811138074 has 16 divisors (see below), whose sum is σ = 1626561120. Its totient is φ = 269665200.

The previous prime is 811138061. The next prime is 811138099. The reversal of 811138074 is 470831118.

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, 176077 + ... + 180624.

It is an arithmetic number, because the mean of its divisors is an integer number (101660070).

Almost surely, 2^811138074 is an apocalyptic number.

811138074 is an abundant number, since it is smaller than the sum of its proper divisors (815423046).

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

811138074 is a wasteful number, since it uses less digits than its factorization.

811138074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357085.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 811138074 is about 28480.4858455750. The cubic root of 811138074 is about 932.6061228522.

The spelling of 811138074 in words is "eight hundred eleven million, one hundred thirty-eight thousand, seventy-four".