891314672 has 10 divisors (see below), whose sum is σ = 1726922208. Its totient is φ = 445657328.

The previous prime is 891314663. The next prime is 891314689. The reversal of 891314672 is 276413198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853568 + ... + 27853599.

Almost surely, 2^891314672 is an apocalyptic number.

It is an amenable number.

891314672 is a deficient number, since it is larger than the sum of its proper divisors (835607536).

891314672 is a wasteful number, since it uses less digits than its factorization.

891314672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55707175 (or 55707169 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 891314672 is about 29854.8936022221. The cubic root of 891314672 is about 962.3735652666.

The spelling of 891314672 in words is "eight hundred ninety-one million, three hundred fourteen thousand, six hundred seventy-two".