677741131 has 2 divisors, whose sum is σ = 677741132. Its totient is φ = 677741130.

The previous prime is 677741063. The next prime is 677741137. The reversal of 677741131 is 131147776.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677741131 is a prime.

It is a super-2 number, since 2×677741131² = 918666081298318322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (677741137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338870565 + 338870566.

It is an arithmetic number, because the mean of its divisors is an integer number (338870566).

Almost surely, 2^677741131 is an apocalyptic number.

677741131 is a deficient number, since it is larger than the sum of its proper divisors (1).

677741131 is an equidigital number, since it uses as much as digits as its factorization.

677741131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 37.

The square root of 677741131 is about 26033.4617559786. The cubic root of 677741131 is about 878.3911422724.

The spelling of 677741131 in words is "six hundred seventy-seven million, seven hundred forty-one thousand, one hundred thirty-one".