75469977996457 has 6 divisors (see below), whose sum is σ = 82954603913594. Its totient is φ = 68609070905760.

The previous prime is 75469977996407. The next prime is 75469977996499.

75469977996457 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 73919482350736 + 1550495645721 = 8597644^2 + 1245189^2 .

It is not a de Polignac number, because 75469977996457 - 2³⁵ = 75435618258089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75469977996407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311859413088 + ... + 311859413329.

Almost surely, 2^{75469977996457} is an apocalyptic number.

It is an amenable number.

75469977996457 is a deficient number, since it is larger than the sum of its proper divisors (7484625917137).

75469977996457 is a wasteful number, since it uses less digits than its factorization.

75469977996457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623718826439 (or 623718826428 counting only the distinct ones).

The product of its digits is 226842638400, while the sum is 94.

The spelling of 75469977996457 in words is "seventy-five trillion, four hundred sixty-nine billion, nine hundred seventy-seven million, nine hundred ninety-six thousand, four hundred fifty-seven".