75497666679457 has 32 divisors (see below), whose sum is σ = 87286727001600. Its totient is φ = 64645690905600.

The previous prime is 75497666679427. The next prime is 75497666679527.

75497666679457 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75497666679457 - 2¹¹ = 75497666677409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75497666679427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155227269 + ... + 155712877.

It is an arithmetic number, because the mean of its divisors is an integer number (2727710218800).

Almost surely, 2^{75497666679457} is an apocalyptic number.

It is an amenable number.

75497666679457 is a deficient number, since it is larger than the sum of its proper divisors (11789060322143).

75497666679457 is a wasteful number, since it uses less digits than its factorization.

75497666679457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497577.

The product of its digits is 100818950400, while the sum is 88.

The spelling of 75497666679457 in words is "seventy-five trillion, four hundred ninety-seven billion, six hundred sixty-six million, six hundred seventy-nine thousand, four hundred fifty-seven".