28975691260 has 12 divisors (see below), whose sum is σ = 60848951688. Its totient is φ = 11590276496.

The previous prime is 28975691237. The next prime is 28975691291. The reversal of 28975691260 is 6219657982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724392262 + ... + 724392301.

It is an arithmetic number, because the mean of its divisors is an integer number (5070745974).

Almost surely, 2^28975691260 is an apocalyptic number.

28975691260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28975691260 is an abundant number, since it is smaller than the sum of its proper divisors (31873260428).

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

28975691260 is a wasteful number, since it uses less digits than its factorization.

28975691260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448784572 (or 1448784570 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 28975691260 in words is "twenty-eight billion, nine hundred seventy-five million, six hundred ninety-one thousand, two hundred sixty".