28902770608 has 20 divisors (see below), whose sum is σ = 57301424488. Its totient is φ = 14115306240.

The previous prime is 28902770573. The next prime is 28902770629. The reversal of 28902770608 is 80607720982.

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, 21004233 + ... + 21005608.

Almost surely, 2^28902770608 is an apocalyptic number.

It is an amenable number.

28902770608 is a deficient number, since it is larger than the sum of its proper divisors (28398653880).

28902770608 is a wasteful number, since it uses less digits than its factorization.

28902770608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42009892 (or 42009886 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 28902770608 in words is "twenty-eight billion, nine hundred two million, seven hundred seventy thousand, six hundred eight".