677348331 has 64 divisors (see below), whose sum is σ = 1064931840. Its totient is φ = 379008000.

The previous prime is 677348327. The next prime is 677348339. The reversal of 677348331 is 133843776.

It is not a de Polignac number, because 677348331 - 2² = 677348327 is a prime.

It is a super-2 number, since 2×677348331² = 917601523016971122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677348339) 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 63 ways as a sum of consecutive naturals, for example, 2393316 + ... + 2393598.

It is an arithmetic number, because the mean of its divisors is an integer number (16639560).

Almost surely, 2^677348331 is an apocalyptic number.

677348331 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

677348331 is a deficient number, since it is larger than the sum of its proper divisors (387583509).

677348331 is a wasteful number, since it uses less digits than its factorization.

677348331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 254016, while the sum is 42.

The square root of 677348331 is about 26025.9165256480. The cubic root of 677348331 is about 878.2214124137.

The spelling of 677348331 in words is "six hundred seventy-seven million, three hundred forty-eight thousand, three hundred thirty-one".