676988361 has 75 divisors (see below), whose sum is σ = 1200119261. Its totient is φ = 380293704.

The previous prime is 676988353. The next prime is 676988363. The reversal of 676988361 is 163889676.

It is a happy number.

The square root of 676988361 is 26019.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 676988361 - 2³ = 676988353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676988298 and 676988307.

It is not an unprimeable number, because it can be changed into a prime (676988363) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 11474350 + ... + 11474408.

Almost surely, 2^676988361 is an apocalyptic number.

676988361 is the 26019-th square number.

676988361 is the 13010-th centered octagonal number.

It is an amenable number.

676988361 is a deficient number, since it is larger than the sum of its proper divisors (523130900).

676988361 is an frugal number, since it uses more digits than its factorization.

676988361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 69 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The cubic root of 676988361 is about 878.0658108491.

The spelling of 676988361 in words is "six hundred seventy-six million, nine hundred eighty-eight thousand, three hundred sixty-one".