28820667000 has 64 divisors (see below), whose sum is σ = 89920490400. Its totient is φ = 7685510400.

The previous prime is 28820666993. The next prime is 28820667013. The reversal of 28820667000 is 76602882.

It is a self number, because there is not a number n which added to its sum of digits gives 28820667000.

It is a congruent number.

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, 4800445 + ... + 4806444.

Almost surely, 2^28820667000 is an apocalyptic number.

28820667000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28820667000 is an abundant number, since it is smaller than the sum of its proper divisors (61099823400).

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

28820667000 is a wasteful number, since it uses less digits than its factorization.

28820667000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606913 (or 9606899 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 28820667000 in words is "twenty-eight billion, eight hundred twenty million, six hundred sixty-seven thousand".