75634925575679 has 4 divisors (see below), whose sum is σ = 75643858491384. Its totient is φ = 75625992659976.

The previous prime is 75634925575673. The next prime is 75634925575711. The reversal of 75634925575679 is 97657552943657.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75634925575679 - 2²⁸ = 75634657140223 is a prime.

It is a super-2 number, since 2×75634925575679² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75634925575673) 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, 4466445152 + ... + 4466462085.

It is an arithmetic number, because the mean of its divisors is an integer number (18910964622846).

Almost surely, 2^{75634925575679} is an apocalyptic number.

75634925575679 is a deficient number, since it is larger than the sum of its proper divisors (8932915705).

75634925575679 is an equidigital number, since it uses as much as digits as its factorization.

75634925575679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932915704.

The product of its digits is 15002820000, while the sum is 80.

The spelling of 75634925575679 in words is "seventy-five trillion, six hundred thirty-four billion, nine hundred twenty-five million, five hundred seventy-five thousand, six hundred seventy-nine".