676920961 has 8 divisors (see below), whose sum is σ = 712982880. Its totient is φ = 640902528.

The previous prime is 676920953. The next prime is 676920967. The reversal of 676920961 is 169029676.

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

It is not a de Polignac number, because 676920961 - 2³ = 676920953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676920967) 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, 23985 + ... + 43921.

It is an arithmetic number, because the mean of its divisors is an integer number (89122860).

Almost surely, 2^676920961 is an apocalyptic number.

It is an amenable number.

676920961 is a deficient number, since it is larger than the sum of its proper divisors (36061919).

676920961 is a wasteful number, since it uses less digits than its factorization.

676920961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21743.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 676920961 is about 26017.7047604127. The cubic root of 676920961 is about 878.0366702202.

It can be divided in two parts, 6769 and 20961, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 676920961 in words is "six hundred seventy-six million, nine hundred twenty thousand, nine hundred sixty-one".