28696207180 has 12 divisors (see below), whose sum is σ = 60262035120. Its totient is φ = 11478482864.

The previous prime is 28696207109. The next prime is 28696207181. The reversal of 28696207180 is 8170269682.

It is not an unprimeable number, because it can be changed into a prime (28696207181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717405160 + ... + 717405199.

It is an arithmetic number, because the mean of its divisors is an integer number (5021836260).

Almost surely, 2^28696207180 is an apocalyptic number.

28696207180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28696207180 is an abundant number, since it is smaller than the sum of its proper divisors (31565827940).

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

28696207180 is a wasteful number, since it uses less digits than its factorization.

28696207180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434810368 (or 1434810366 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 28696207180 in words is "twenty-eight billion, six hundred ninety-six million, two hundred seven thousand, one hundred eighty".