28134693120 has 72 divisors (see below), whose sum is σ = 89855188416. Its totient is φ = 7502583808.

The previous prime is 28134693113. The next prime is 28134693143. The reversal of 28134693120 is 2139643182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659532 + ... + 3667211.

It is an arithmetic number, because the mean of its divisors is an integer number (1247988728).

Almost surely, 2^28134693120 is an apocalyptic number.

28134693120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28134693120 is an abundant number, since it is smaller than the sum of its proper divisors (61720495296).

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

28134693120 is an equidigital number, since it uses as much as digits as its factorization.

28134693120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326767 (or 7326753 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 28134693120 in words is "twenty-eight billion, one hundred thirty-four million, six hundred ninety-three thousand, one hundred twenty".