28912606902 has 24 divisors (see below), whose sum is σ = 62715121560. Its totient is φ = 9626591040.

The previous prime is 28912606897. The next prime is 28912606927. The reversal of 28912606902 is 20960621982.

28912606902 is a `hidden beast` number, since 28 + 9 + 12 + 606 + 9 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895752 + ... + 927467.

It is an arithmetic number, because the mean of its divisors is an integer number (2613130065).

Almost surely, 2^28912606902 is an apocalyptic number.

28912606902 is an abundant number, since it is smaller than the sum of its proper divisors (33802514658).

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

28912606902 is a wasteful number, since it uses less digits than its factorization.

28912606902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824108 (or 1824105 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 28912606902 in words is "twenty-eight billion, nine hundred twelve million, six hundred six thousand, nine hundred two".