891383080 has 32 divisors (see below), whose sum is σ = 2292128640. Its totient is φ = 305616960.

The previous prime is 891383069. The next prime is 891383137. The reversal of 891383080 is 80383198.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591476 + ... + 1592035.

It is an arithmetic number, because the mean of its divisors is an integer number (71629020).

Almost surely, 2^891383080 is an apocalyptic number.

It is an amenable number.

891383080 is an abundant number, since it is smaller than the sum of its proper divisors (1400745560).

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

891383080 is a wasteful number, since it uses less digits than its factorization.

891383080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183529 (or 3183525 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 891383080 is about 29856.0392550653. The cubic root of 891383080 is about 962.3981852161.

The spelling of 891383080 in words is "eight hundred ninety-one million, three hundred eighty-three thousand, eighty".