676637637 has 48 divisors (see below), whose sum is σ = 1025373888. Its totient is φ = 396264960.

The previous prime is 676637617. The next prime is 676637639. The reversal of 676637637 is 736736676.

It is not a de Polignac number, because 676637637 - 2¹⁶ = 676572101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676637637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676637639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 893463 + ... + 894219.

It is an arithmetic number, because the mean of its divisors is an integer number (21361956).

Almost surely, 2^676637637 is an apocalyptic number.

It is an amenable number.

676637637 is a deficient number, since it is larger than the sum of its proper divisors (348736251).

676637637 is a wasteful number, since it uses less digits than its factorization.

676637637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 857 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 51.

The square root of 676637637 is about 26012.2593597711. The cubic root of 676637637 is about 877.9141529243.

The spelling of 676637637 in words is "six hundred seventy-six million, six hundred thirty-seven thousand, six hundred thirty-seven".