667480733377 has 16 divisors (see below), whose sum is σ = 715665574800. Its totient is φ = 621293379840.

The previous prime is 667480733341. The next prime is 667480733393. The reversal of 667480733377 is 773337084766.

It can be written as a sum of positive squares in 8 ways, for example, as 116970156081 + 550510577296 = 342009^2 + 741964^2 .

It is a cyclic number.

It is not a de Polignac number, because 667480733377 - 2³¹ = 665333249729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667480733477) 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, 2736574 + ... + 2970487.

It is an arithmetic number, because the mean of its divisors is an integer number (44729098425).

Almost surely, 2^667480733377 is an apocalyptic number.

It is an amenable number.

667480733377 is a deficient number, since it is larger than the sum of its proper divisors (48184841423).

667480733377 is a wasteful number, since it uses less digits than its factorization.

667480733377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707236.

The product of its (nonzero) digits is 74680704, while the sum is 61.

The spelling of 667480733377 in words is "six hundred sixty-seven billion, four hundred eighty million, seven hundred thirty-three thousand, three hundred seventy-seven".