676299891 has 8 divisors (see below), whose sum is σ = 903235984. Its totient is φ = 450115200.

The previous prime is 676299887. The next prime is 676299901. The reversal of 676299891 is 198992676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 676299891 - 2² = 676299887 is a prime.

It is a super-2 number, since 2×676299891² = 914763085133223762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676299821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185746 + ... + 189351.

It is an arithmetic number, because the mean of its divisors is an integer number (112904498).

Almost surely, 2^676299891 is an apocalyptic number.

676299891 is a deficient number, since it is larger than the sum of its proper divisors (226936093).

676299891 is a wasteful number, since it uses less digits than its factorization.

676299891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375701.

The product of its digits is 2939328, while the sum is 57.

The square root of 676299891 is about 26005.7664951449. The cubic root of 676299891 is about 877.7680573256.

The spelling of 676299891 in words is "six hundred seventy-six million, two hundred ninety-nine thousand, eight hundred ninety-one".