75522713663 has 4 divisors (see below), whose sum is σ = 75579627360. Its totient is φ = 75465799968.

The previous prime is 75522713659. The next prime is 75522713671. The reversal of 75522713663 is 36631722557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36631722557 = 55331 ⋅662047.

It is a cyclic number.

It is not a de Polignac number, because 75522713663 - 2² = 75522713659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75522713363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28454858 + ... + 28457511.

It is an arithmetic number, because the mean of its divisors is an integer number (18894906840).

Almost surely, 2^75522713663 is an apocalyptic number.

75522713663 is a deficient number, since it is larger than the sum of its proper divisors (56913697).

75522713663 is a wasteful number, since it uses less digits than its factorization.

75522713663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56913696.

The product of its digits is 1587600, while the sum is 47.

The spelling of 75522713663 in words is "seventy-five billion, five hundred twenty-two million, seven hundred thirteen thousand, six hundred sixty-three".