75828791664 has 30 divisors (see below), whose sum is σ = 212215299296. Its totient is φ = 25276263840.

The previous prime is 75828791659. The next prime is 75828791671. The reversal of 75828791664 is 46619782857.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263294272 + ... + 263294559.

Almost surely, 2^75828791664 is an apocalyptic number.

It is an amenable number.

75828791664 is an abundant number, since it is smaller than the sum of its proper divisors (136386507632).

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

75828791664 is a wasteful number, since it uses less digits than its factorization.

75828791664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526588845 (or 526588836 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 75828791664 in words is "seventy-five billion, eight hundred twenty-eight million, seven hundred ninety-one thousand, six hundred sixty-four".