891795068 has 6 divisors (see below), whose sum is σ = 1560641376. Its totient is φ = 445897532.

The previous prime is 891795043. The next prime is 891795071. The reversal of 891795068 is 860597198.

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, 111474380 + ... + 111474387.

It is an arithmetic number, because the mean of its divisors is an integer number (260106896).

Almost surely, 2^891795068 is an apocalyptic number.

It is an amenable number.

891795068 is a deficient number, since it is larger than the sum of its proper divisors (668846308).

891795068 is a wasteful number, since it uses less digits than its factorization.

891795068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222948771 (or 222948769 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 891795068 is about 29862.9380336229. The cubic root of 891795068 is about 962.5464325269.

The spelling of 891795068 in words is "eight hundred ninety-one million, seven hundred ninety-five thousand, sixty-eight".