75182028157 has 8 divisors (see below), whose sum is σ = 75364094520. Its totient is φ = 75000107520.

The previous prime is 75182028133. The next prime is 75182028161.

75182028157 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 27765223641 + 47416804516 = 166629^2 + 217754^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 75182028157 - 2¹¹ = 75182026109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75182028107) 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, 1034469 + ... + 1104757.

It is an arithmetic number, because the mean of its divisors is an integer number (9420511815).

Almost surely, 2^75182028157 is an apocalyptic number.

It is an amenable number.

75182028157 is a deficient number, since it is larger than the sum of its proper divisors (182066363).

75182028157 is a wasteful number, since it uses less digits than its factorization.

75182028157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72863.

The product of its (nonzero) digits is 313600, while the sum is 46.

It can be divided in two parts, 751820 and 28157, that added together give a palindrome (779977).

The spelling of 75182028157 in words is "seventy-five billion, one hundred eighty-two million, twenty-eight thousand, one hundred fifty-seven".