28284713432 has 16 divisors (see below), whose sum is σ = 55825092600. Its totient is φ = 13398022080.

The previous prime is 28284713393. The next prime is 28284713453. The reversal of 28284713432 is 23431748282.

It is a super-2 number, since 2×28284713432² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 93041669 + ... + 93041972.

Almost surely, 2^28284713432 is an apocalyptic number.

It is an amenable number.

28284713432 is a deficient number, since it is larger than the sum of its proper divisors (27540379168).

28284713432 is a wasteful number, since it uses less digits than its factorization.

28284713432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186083666 (or 186083662 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The spelling of 28284713432 in words is "twenty-eight billion, two hundred eighty-four million, seven hundred thirteen thousand, four hundred thirty-two".