677507331 has 8 divisors (see below), whose sum is σ = 903489280. Its totient is φ = 451598472.

The previous prime is 677507291. The next prime is 677507353. The reversal of 677507331 is 133705776.

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

It is not a de Polignac number, because 677507331 - 2⁷ = 677507203 is a prime.

It is a super-2 number, since 2×677507331² = 918032367117487122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677507331.

It is not an unprimeable number, because it can be changed into a prime (677507371) 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, 9306 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (112936160).

Almost surely, 2^677507331 is an apocalyptic number.

677507331 is a deficient number, since it is larger than the sum of its proper divisors (225981949).

677507331 is a wasteful number, since it uses less digits than its factorization.

677507331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36545.

The product of its (nonzero) digits is 92610, while the sum is 39.

The square root of 677507331 is about 26028.9709938753. The cubic root of 677507331 is about 878.2901246127.

The spelling of 677507331 in words is "six hundred seventy-seven million, five hundred seven thousand, three hundred thirty-one".