28952985372 has 24 divisors (see below), whose sum is σ = 67596823056. Its totient is φ = 9645301248.

The previous prime is 28952985349. The next prime is 28952985389. The reversal of 28952985372 is 27358925982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690523 + ... + 731250.

It is an arithmetic number, because the mean of its divisors is an integer number (2816534294).

Almost surely, 2^28952985372 is an apocalyptic number.

It is an amenable number.

28952985372 is an abundant number, since it is smaller than the sum of its proper divisors (38643837684).

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

28952985372 is a wasteful number, since it uses less digits than its factorization.

28952985372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423477 (or 1423475 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 60.

The spelling of 28952985372 in words is "twenty-eight billion, nine hundred fifty-two million, nine hundred eighty-five thousand, three hundred seventy-two".