677831983 has 2 divisors, whose sum is σ = 677831984. Its totient is φ = 677831982.

The previous prime is 677831927. The next prime is 677832013. The reversal of 677831983 is 389138776.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677831983 - 2²⁹ = 140961071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677831983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677831683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338915991 + 338915992.

It is an arithmetic number, because the mean of its divisors is an integer number (338915992).

Almost surely, 2^677831983 is an apocalyptic number.

677831983 is a deficient number, since it is larger than the sum of its proper divisors (1).

677831983 is an equidigital number, since it uses as much as digits as its factorization.

677831983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 677831983 is about 26035.2066056715. The cubic root of 677831983 is about 878.4303903091.

The spelling of 677831983 in words is "six hundred seventy-seven million, eight hundred thirty-one thousand, nine hundred eighty-three".