676650671891 has 8 divisors (see below), whose sum is σ = 692987293680. Its totient is φ = 660341348352.

The previous prime is 676650671857. The next prime is 676650671911. The reversal of 676650671891 is 198176056676.

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

It is a cyclic number.

It is not a de Polignac number, because 676650671891 - 2³⁴ = 659470802707 is a prime.

It is a super-2 number, since 2×676650671891² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676650671831) 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, 6774386 + ... + 6873543.

It is an arithmetic number, because the mean of its divisors is an integer number (86623411710).

Almost surely, 2^676650671891 is an apocalyptic number.

676650671891 is a deficient number, since it is larger than the sum of its proper divisors (16336621789).

676650671891 is a wasteful number, since it uses less digits than its factorization.

676650671891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649125.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 676650671891 in words is "six hundred seventy-six billion, six hundred fifty million, six hundred seventy-one thousand, eight hundred ninety-one".