676736671 has 6 divisors (see below), whose sum is σ = 732797880. Its totient is φ = 624679848.

The previous prime is 676736657. The next prime is 676736689. The reversal of 676736671 is 176637676.

It is a happy number.

It is not a de Polignac number, because 676736671 - 2¹⁵ = 676703903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676736971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2002011 + ... + 2002348.

It is an arithmetic number, because the mean of its divisors is an integer number (122132980).

Almost surely, 2^676736671 is an apocalyptic number.

676736671 is a deficient number, since it is larger than the sum of its proper divisors (56061209).

676736671 is a wasteful number, since it uses less digits than its factorization.

676736671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004385 (or 4004372 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 49.

The square root of 676736671 is about 26014.1628925476. The cubic root of 676736671 is about 877.9569819090.

The spelling of 676736671 in words is "six hundred seventy-six million, seven hundred thirty-six thousand, six hundred seventy-one".