28467984392 has 16 divisors (see below), whose sum is σ = 56186811600. Its totient is φ = 13484834640.

The previous prime is 28467984361. The next prime is 28467984521. The reversal of 28467984392 is 29348976482.

It is a super-2 number, since 2×28467984392² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93644534 + ... + 93644837.

It is an arithmetic number, because the mean of its divisors is an integer number (3511675725).

Almost surely, 2^28467984392 is an apocalyptic number.

It is an amenable number.

28467984392 is a deficient number, since it is larger than the sum of its proper divisors (27718827208).

28467984392 is a wasteful number, since it uses less digits than its factorization.

28467984392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187289396 (or 187289392 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 62.

The spelling of 28467984392 in words is "twenty-eight billion, four hundred sixty-seven million, nine hundred eighty-four thousand, three hundred ninety-two".