28767517932 has 48 divisors (see below), whose sum is σ = 67326940800. Its totient is φ = 9560257920.

The previous prime is 28767517901. The next prime is 28767517937. The reversal of 28767517932 is 23971576782.

It is not an unprimeable number, because it can be changed into a prime (28767517937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6627819 + ... + 6632157.

It is an arithmetic number, because the mean of its divisors is an integer number (1402644600).

Almost surely, 2^28767517932 is an apocalyptic number.

It is an amenable number.

28767517932 is an abundant number, since it is smaller than the sum of its proper divisors (38559422868).

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

28767517932 is a wasteful number, since it uses less digits than its factorization.

28767517932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5884 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 57.

The spelling of 28767517932 in words is "twenty-eight billion, seven hundred sixty-seven million, five hundred seventeen thousand, nine hundred thirty-two".