682991127 has 24 divisors (see below), whose sum is σ = 1214207904. Its totient is φ = 360258624.

The previous prime is 682991123. The next prime is 682991137. The reversal of 682991127 is 721199286.

It is not a de Polignac number, because 682991127 - 2² = 682991123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682991123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416148 + ... + 417785.

It is an arithmetic number, because the mean of its divisors is an integer number (50591996).

Almost surely, 2^682991127 is an apocalyptic number.

682991127 is a deficient number, since it is larger than the sum of its proper divisors (531216777).

682991127 is a wasteful number, since it uses less digits than its factorization.

682991127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833959 (or 833956 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 682991127 is about 26134.0989322379. The cubic root of 682991127 is about 880.6534089148.

The spelling of 682991127 in words is "six hundred eighty-two million, nine hundred ninety-one thousand, one hundred twenty-seven".