677349291 has 8 divisors (see below), whose sum is σ = 903260160. Its totient is φ = 451502312.

The previous prime is 677349251. The next prime is 677349313. The reversal of 677349291 is 192943776.

It is a happy number.

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 677349291 - 2¹⁰ = 677348267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677349291.

It is not an unprimeable number, because it can be changed into a prime (677349251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20986 + ... + 42368.

It is an arithmetic number, because the mean of its divisors is an integer number (112907520).

Almost surely, 2^677349291 is an apocalyptic number.

677349291 is a deficient number, since it is larger than the sum of its proper divisors (225910869).

677349291 is a wasteful number, since it uses less digits than its factorization.

677349291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31945.

The product of its digits is 571536, while the sum is 48.

The square root of 677349291 is about 26025.9349687960. The cubic root of 677349291 is about 878.2218273121.

The spelling of 677349291 in words is "six hundred seventy-seven million, three hundred forty-nine thousand, two hundred ninety-one".