755635880664 has 48 divisors (see below), whose sum is σ = 2338872965520. Its totient is φ = 215895965760.

The previous prime is 755635880647. The next prime is 755635880711. The reversal of 755635880664 is 466088536557.

755635880664 is a `hidden beast` number, since 7 + 5 + 563 + 5 + 8 + 8 + 0 + 6 + 64 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749638267 + ... + 749639274.

It is an arithmetic number, because the mean of its divisors is an integer number (48726520115).

Almost surely, 2^755635880664 is an apocalyptic number.

It is an amenable number.

755635880664 is an abundant number, since it is smaller than the sum of its proper divisors (1583237084856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

755635880664 is a wasteful number, since it uses less digits than its factorization.

755635880664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499277560 (or 1499277553 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 755635880664 in words is "seven hundred fifty-five billion, six hundred thirty-five million, eight hundred eighty thousand, six hundred sixty-four".