28879019732 has 12 divisors (see below), whose sum is σ = 50549639616. Its totient is φ = 14436265560.

The previous prime is 28879019723. The next prime is 28879019737. The reversal of 28879019732 is 23791097882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28879019737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790994 + ... + 826697.

It is an arithmetic number, because the mean of its divisors is an integer number (4212469968).

Almost surely, 2^28879019732 is an apocalyptic number.

It is an amenable number.

28879019732 is a deficient number, since it is larger than the sum of its proper divisors (21670619884).

28879019732 is a wasteful number, since it uses less digits than its factorization.

28879019732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622158 (or 1622156 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 28879019732 in words is "twenty-eight billion, eight hundred seventy-nine million, nineteen thousand, seven hundred thirty-two".