75647000074657 has 4 divisors (see below), whose sum is σ = 82524000081456. Its totient is φ = 68770000067860.

The previous prime is 75647000074649. The next prime is 75647000074741.

75647000074657 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75647000074657 - 2³ = 75647000074649 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75647000074357) 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, 3438500003383 + ... + 3438500003404.

It is an arithmetic number, because the mean of its divisors is an integer number (20631000020364).

Almost surely, 2^{75647000074657} is an apocalyptic number.

It is an amenable number.

75647000074657 is a deficient number, since it is larger than the sum of its proper divisors (6877000006799).

75647000074657 is a wasteful number, since it uses less digits than its factorization.

75647000074657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877000006798.

The product of its (nonzero) digits is 34574400, while the sum is 58.

The spelling of 75647000074657 in words is "seventy-five trillion, six hundred forty-seven billion, seventy-four thousand, six hundred fifty-seven".