667077367707 has 6 divisors (see below), whose sum is σ = 963556197812. Its totient is φ = 444718245132.

The previous prime is 667077367687. The next prime is 667077367711. The reversal of 667077367707 is 707763770766.

It is not a de Polignac number, because 667077367707 - 2¹² = 667077363611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667077367507) 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, 37059853753 + ... + 37059853770.

Almost surely, 2^667077367707 is an apocalyptic number.

667077367707 is a deficient number, since it is larger than the sum of its proper divisors (296478830105).

667077367707 is a wasteful number, since it uses less digits than its factorization.

667077367707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74119707529 (or 74119707526 counting only the distinct ones).

The product of its (nonzero) digits is 76236552, while the sum is 63.

The spelling of 667077367707 in words is "six hundred sixty-seven billion, seventy-seven million, three hundred sixty-seven thousand, seven hundred seven".