28692152844 has 12 divisors (see below), whose sum is σ = 66948356664. Its totient is φ = 9564050944.

The previous prime is 28692152843. The next prime is 28692152869. The reversal of 28692152844 is 44825129682.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (28692152843) 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, 1195506357 + ... + 1195506380.

It is an arithmetic number, because the mean of its divisors is an integer number (5579029722).

Almost surely, 2^28692152844 is an apocalyptic number.

It is an amenable number.

28692152844 is an abundant number, since it is smaller than the sum of its proper divisors (38256203820).

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

28692152844 is a wasteful number, since it uses less digits than its factorization.

28692152844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391012744 (or 2391012742 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 28692152844 in words is "twenty-eight billion, six hundred ninety-two million, one hundred fifty-two thousand, eight hundred forty-four".