28062707172 has 48 divisors (see below), whose sum is σ = 70392483840. Its totient is φ = 8673352992.

The previous prime is 28062707159. The next prime is 28062707201. The reversal of 28062707172 is 27170726082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298668 + ... + 1320099.

It is an arithmetic number, because the mean of its divisors is an integer number (1466510080).

Almost surely, 2^28062707172 is an apocalyptic number.

It is an amenable number.

28062707172 is an abundant number, since it is smaller than the sum of its proper divisors (42329776668).

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

28062707172 is a wasteful number, since it uses less digits than its factorization.

28062707172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618840 (or 2618838 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 28062707172 in words is "twenty-eight billion, sixty-two million, seven hundred seven thousand, one hundred seventy-two".