75485058457 has 4 divisors (see below), whose sum is σ = 75608199460. Its totient is φ = 75361917456.

The previous prime is 75485058443. The next prime is 75485058461.

75485058457 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3526459456 + 71958599001 = 59384^2 + 268251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75485058457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75485058487) 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, 61569582 + ... + 61570807.

It is an arithmetic number, because the mean of its divisors is an integer number (18902049865).

Almost surely, 2^75485058457 is an apocalyptic number.

It is an amenable number.

75485058457 is a deficient number, since it is larger than the sum of its proper divisors (123141003).

75485058457 is a wasteful number, since it uses less digits than its factorization.

75485058457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123141002.

The product of its (nonzero) digits is 31360000, while the sum is 58.

The spelling of 75485058457 in words is "seventy-five billion, four hundred eighty-five million, fifty-eight thousand, four hundred fifty-seven".