28690053160 has 16 divisors (see below), whose sum is σ = 64552619700. Its totient is φ = 11476021248.

The previous prime is 28690053127. The next prime is 28690053163. The reversal of 28690053160 is 6135009682.

It can be written as a sum of positive squares in 2 ways, for example, as 28678067716 + 11985444 = 169346^2 + 3462^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 717251329 = 28690053160 / (2 + 8 + 6 + 9 + 0 + 0 + 5 + 3 + 1 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (28690053163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358625625 + ... + 358625704.

Almost surely, 2^28690053160 is an apocalyptic number.

28690053160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28690053160 is an abundant number, since it is smaller than the sum of its proper divisors (35862566540).

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

28690053160 is a wasteful number, since it uses less digits than its factorization.

28690053160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717251340 (or 717251336 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 28690053160 in words is "twenty-eight billion, six hundred ninety million, fifty-three thousand, one hundred sixty".