28537926193 has 16 divisors (see below), whose sum is σ = 33988492800. Its totient is φ = 23940617568.

The previous prime is 28537926187. The next prime is 28537926227. The reversal of 28537926193 is 39162973582.

It is not a de Polignac number, because 28537926193 - 2⁹ = 28537925681 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28537926133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868996 + ... + 901237.

It is an arithmetic number, because the mean of its divisors is an integer number (2124280800).

Almost surely, 2^28537926193 is an apocalyptic number.

It is an amenable number.

28537926193 is a deficient number, since it is larger than the sum of its proper divisors (5450566607).

28537926193 is an equidigital number, since it uses as much as digits as its factorization.

28537926193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770301 (or 1770287 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The spelling of 28537926193 in words is "twenty-eight billion, five hundred thirty-seven million, nine hundred twenty-six thousand, one hundred ninety-three".