75428882457 has 8 divisors (see below), whose sum is σ = 100599926784. Its totient is φ = 50271879888.

The previous prime is 75428882443. The next prime is 75428882483.

75428882457 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75428882457 - 2¹⁰ = 75428881433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75428882457.

It is not an unprimeable number, because it can be changed into a prime (75428882407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497898 + ... + 3519395.

It is an arithmetic number, because the mean of its divisors is an integer number (12574990848).

Almost surely, 2^75428882457 is an apocalyptic number.

It is an amenable number.

75428882457 is a deficient number, since it is larger than the sum of its proper divisors (25171044327).

75428882457 is a wasteful number, since it uses less digits than its factorization.

75428882457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020879.

The product of its digits is 40140800, while the sum is 60.

The spelling of 75428882457 in words is "seventy-five billion, four hundred twenty-eight million, eight hundred eighty-two thousand, four hundred fifty-seven".