677885131 has 16 divisors (see below), whose sum is σ = 859016448. Its totient is φ = 519559200.

The previous prime is 677885129. The next prime is 677885137. The reversal of 677885131 is 131588776.

It is a cyclic number.

It is not a de Polignac number, because 677885131 - 2¹ = 677885129 is a prime.

It is a super-2 number, since 2×677885131² = 919056501661774322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677885137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67465 + ... + 76858.

It is an arithmetic number, because the mean of its divisors is an integer number (53688528).

Almost surely, 2^677885131 is an apocalyptic number.

677885131 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

677885131 is a deficient number, since it is larger than the sum of its proper divisors (181131317).

677885131 is a wasteful number, since it uses less digits than its factorization.

677885131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144402.

The product of its digits is 282240, while the sum is 46.

The square root of 677885131 is about 26036.2272804644. The cubic root of 677885131 is about 878.4533486033.

The spelling of 677885131 in words is "six hundred seventy-seven million, eight hundred eighty-five thousand, one hundred thirty-one".