667672482771 has 32 divisors (see below), whose sum is σ = 1130993095680. Its totient is φ = 381344096448.

The previous prime is 667672482751. The next prime is 667672482797. The reversal of 667672482771 is 177284276766.

667672482771 is a `hidden beast` number, since 6 + 67 + 67 + 248 + 277 + 1 = 666.

It is not a de Polignac number, because 667672482771 - 2⁵ = 667672482739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 667672482699 and 667672482708.

It is not an unprimeable number, because it can be changed into a prime (667672482751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451906 + ... + 1240791.

It is an arithmetic number, because the mean of its divisors is an integer number (35343534240).

Almost surely, 2^667672482771 is an apocalyptic number.

667672482771 is a deficient number, since it is larger than the sum of its proper divisors (463320612909).

667672482771 is a wasteful number, since it uses less digits than its factorization.

667672482771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694800 (or 1694794 counting only the distinct ones).

The product of its digits is 66382848, while the sum is 63.

The spelling of 667672482771 in words is "six hundred sixty-seven billion, six hundred seventy-two million, four hundred eighty-two thousand, seven hundred seventy-one".