891768152 has 16 divisors (see below), whose sum is σ = 1824071400. Its totient is φ = 405349120.

The previous prime is 891768151. The next prime is 891768169. The reversal of 891768152 is 251867198.

891768152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 891768097 and 891768106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891768151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066777 + ... + 5066952.

Almost surely, 2^891768152 is an apocalyptic number.

It is an amenable number.

891768152 is an abundant number, since it is smaller than the sum of its proper divisors (932303248).

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

891768152 is a wasteful number, since it uses less digits than its factorization.

891768152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133746 (or 10133742 counting only the distinct ones).

The product of its digits is 241920, while the sum is 47.

The square root of 891768152 is about 29862.4873712824. The cubic root of 891768152 is about 962.5367486278.

The spelling of 891768152 in words is "eight hundred ninety-one million, seven hundred sixty-eight thousand, one hundred fifty-two".