891279552 has 28 divisors (see below), whose sum is σ = 2358177656. Its totient is φ = 297093120.

The previous prime is 891279551. The next prime is 891279577. The reversal of 891279552 is 255972198.

891279552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×891279552³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (891279551) 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, 2320849 + ... + 2321232.

Almost surely, 2^891279552 is an apocalyptic number.

It is an amenable number.

891279552 is an abundant number, since it is smaller than the sum of its proper divisors (1466898104).

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

891279552 is a wasteful number, since it uses less digits than its factorization.

891279552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642096 (or 4642086 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 891279552 is about 29854.3054181470. The cubic root of 891279552 is about 962.3609251352.

The spelling of 891279552 in words is "eight hundred ninety-one million, two hundred seventy-nine thousand, five hundred fifty-two".