75797555579757 has 24 divisors (see below), whose sum is σ = 119882582033760. Its totient is φ = 45767139547680.

The previous prime is 75797555579693. The next prime is 75797555579761.

75797555579757 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75797555579757 - 2⁶ = 75797555579693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75797555579257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1423080943 + ... + 1423134204.

It is an arithmetic number, because the mean of its divisors is an integer number (4995107584740).

Almost surely, 2^{75797555579757} is an apocalyptic number.

It is an amenable number.

75797555579757 is a deficient number, since it is larger than the sum of its proper divisors (44085026454003).

75797555579757 is a wasteful number, since it uses less digits than its factorization.

75797555579757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846215433 (or 2846215430 counting only the distinct ones).

The product of its digits is 148899515625, while the sum is 90.

The spelling of 75797555579757 in words is "seventy-five trillion, seven hundred ninety-seven billion, five hundred fifty-five million, five hundred seventy-nine thousand, seven hundred fifty-seven".