28669522959 has 192 divisors, whose sum is σ = 57881640960. Its totient is φ = 13201781760.

The previous prime is 28669522939. The next prime is 28669523017. The reversal of 28669522959 is 95922596682.

28669522959 is a `hidden beast` number, since 286 + 69 + 5 + 2 + 295 + 9 = 666.

It is not a de Polignac number, because 28669522959 - 2²⁷ = 28535305231 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (41990400) is a multiple of the sum of its prime factors (810).

It is a junction number, because it is equal to n+sod(n) for n = 28669522896 and 28669522905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28669522939) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 58869414 + ... + 58869900.

It is an arithmetic number, because the mean of its divisors is an integer number (301466880).

Almost surely, 2^28669522959 is an apocalyptic number.

28669522959 is an abundant number, since it is smaller than the sum of its proper divisors (29212118001).

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

28669522959 is a wasteful number, since it uses less digits than its factorization.

28669522959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 807 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 28669522959 in words is "twenty-eight billion, six hundred sixty-nine million, five hundred twenty-two thousand, nine hundred fifty-nine".