28470253758 has 16 divisors (see below), whose sum is σ = 57045764496. Its totient is φ = 9472541760.

The previous prime is 28470253709. The next prime is 28470253759. The reversal of 28470253758 is 85735207482.

It is a self number, because there is not a number n which added to its sum of digits gives 28470253758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28470253759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382191 + ... + 4388682.

It is an arithmetic number, because the mean of its divisors is an integer number (3565360281).

Almost surely, 2^28470253758 is an apocalyptic number.

28470253758 is an abundant number, since it is smaller than the sum of its proper divisors (28575510738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28470253758 is a wasteful number, since it uses less digits than its factorization.

28470253758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771419.

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 28470253758 in words is "twenty-eight billion, four hundred seventy million, two hundred fifty-three thousand, seven hundred fifty-eight".