667467070777 has 16 divisors (see below), whose sum is σ = 732730324480. Its totient is φ = 604295640000.

The previous prime is 667467070709. The next prime is 667467070793. The reversal of 667467070777 is 777070764766.

667467070777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667467070777 - 2⁷ = 667467070649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667467020777) 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, 1996974 + ... + 2307127.

It is an arithmetic number, because the mean of its divisors is an integer number (45795645280).

Almost surely, 2^667467070777 is an apocalyptic number.

It is an amenable number.

667467070777 is a deficient number, since it is larger than the sum of its proper divisors (65263253703).

667467070777 is a wasteful number, since it uses less digits than its factorization.

667467070777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304344.

The product of its (nonzero) digits is 101648736, while the sum is 64.

The spelling of 667467070777 in words is "six hundred sixty-seven billion, four hundred sixty-seven million, seventy thousand, seven hundred seventy-seven".