891052084 has 12 divisors (see below), whose sum is σ = 1679290564. Its totient is φ = 411254784.

The previous prime is 891052067. The next prime is 891052091. The reversal of 891052084 is 480250198.

It can be written as a sum of positive squares in 2 ways, for example, as 128187684 + 762864400 = 11322^2 + 27620^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8567757 + ... + 8567860.

Almost surely, 2^891052084 is an apocalyptic number.

It is an amenable number.

891052084 is a deficient number, since it is larger than the sum of its proper divisors (788238480).

891052084 is a wasteful number, since it uses less digits than its factorization.

891052084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135634 (or 17135632 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 891052084 is about 29850.4955402754. The cubic root of 891052084 is about 962.2790484895.

The spelling of 891052084 in words is "eight hundred ninety-one million, fifty-two thousand, eighty-four".