676437663 has 16 divisors (see below), whose sum is σ = 1010503296. Its totient is φ = 398881440.

The previous prime is 676437653. The next prime is 676437683. The reversal of 676437663 is 366734676.

It is not a de Polignac number, because 676437663 - 2⁸ = 676437407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676437623) 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, 275781 + ... + 278222.

It is an arithmetic number, because the mean of its divisors is an integer number (63156456).

Almost surely, 2^676437663 is an apocalyptic number.

676437663 is a deficient number, since it is larger than the sum of its proper divisors (334065633).

676437663 is a wasteful number, since it uses less digits than its factorization.

676437663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554054.

The product of its digits is 2286144, while the sum is 48.

The square root of 676437663 is about 26008.4152343045. The cubic root of 676437663 is about 877.8276579315.

The spelling of 676437663 in words is "six hundred seventy-six million, four hundred thirty-seven thousand, six hundred sixty-three".