28952429988 has 24 divisors (see below), whose sum is σ = 67875844960. Its totient is φ = 9605070720.

The previous prime is 28952429983. The next prime is 28952429999. The reversal of 28952429988 is 88992425982.

It is not an unprimeable number, because it can be changed into a prime (28952429983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5714773 + ... + 5719836.

Almost surely, 2^28952429988 is an apocalyptic number.

It is an amenable number.

28952429988 is an abundant number, since it is smaller than the sum of its proper divisors (38923414972).

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

28952429988 is a wasteful number, since it uses less digits than its factorization.

28952429988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434827 (or 11434825 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 66.

The spelling of 28952429988 in words is "twenty-eight billion, nine hundred fifty-two million, four hundred twenty-nine thousand, nine hundred eighty-eight".