75455377355457 has 24 divisors (see below), whose sum is σ = 120235330631520. Its totient is φ = 45216705526080.

The previous prime is 75455377355429. The next prime is 75455377355459.

75455377355457 is a `hidden beast` number, since 7 + 5 + 4 + 5 + 5 + 3 + 7 + 73 + 5 + 545 + 7 = 666.

75455377355457 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75455377355457 - 2⁴⁶ = 5086633177793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75455377355459) 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, 4281876183 + ... + 4281893804.

It is an arithmetic number, because the mean of its divisors is an integer number (5009805442980).

Almost surely, 2^{75455377355457} is an apocalyptic number.

It is an amenable number.

75455377355457 is a deficient number, since it is larger than the sum of its proper divisors (44779953276063).

75455377355457 is a wasteful number, since it uses less digits than its factorization.

75455377355457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563770093 (or 8563770090 counting only the distinct ones).

The product of its digits is 5402250000, while the sum is 72.

The spelling of 75455377355457 in words is "seventy-five trillion, four hundred fifty-five billion, three hundred seventy-seven million, three hundred fifty-five thousand, four hundred fifty-seven".