28113570735 has 32 divisors (see below), whose sum is σ = 48298540032. Its totient is φ = 13913141760.

The previous prime is 28113570733. The next prime is 28113570787. The reversal of 28113570735 is 53707531182.

It is a happy number.

It is not a de Polignac number, because 28113570735 - 2¹ = 28113570733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28113570733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758299 + ... + 794508.

It is an arithmetic number, because the mean of its divisors is an integer number (1509329376).

Almost surely, 2^28113570735 is an apocalyptic number.

28113570735 is a deficient number, since it is larger than the sum of its proper divisors (20184969297).

28113570735 is a wasteful number, since it uses less digits than its factorization.

28113570735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552903.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 28113570735 in words is "twenty-eight billion, one hundred thirteen million, five hundred seventy thousand, seven hundred thirty-five".