57126628263 has 8 divisors (see below), whose sum is σ = 76867634800. Its totient is φ = 37735020288.

The previous prime is 57126628261. The next prime is 57126628271. The reversal of 57126628263 is 36282662175.

57126628263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57126628263 - 2¹ = 57126628261 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 (57126628261) 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, 87349258 + ... + 87349911.

It is an arithmetic number, because the mean of its divisors is an integer number (9608454350).

Almost surely, 2^57126628263 is an apocalyptic number.

57126628263 is a deficient number, since it is larger than the sum of its proper divisors (19741006537).

57126628263 is a wasteful number, since it uses less digits than its factorization.

57126628263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174699281.

The product of its digits is 1451520, while the sum is 48.

The spelling of 57126628263 in words is "fifty-seven billion, one hundred twenty-six million, six hundred twenty-eight thousand, two hundred sixty-three".