28416973068 has 72 divisors (see below), whose sum is σ = 81264281280. Its totient is φ = 8611200720.

The previous prime is 28416973061. The next prime is 28416973073. The reversal of 28416973068 is 86037961482.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28416973061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1318198 + ... + 1339581.

Almost surely, 2^28416973068 is an apocalyptic number.

It is an amenable number.

28416973068 is an abundant number, since it is smaller than the sum of its proper divisors (52847308212).

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

28416973068 is a wasteful number, since it uses less digits than its factorization.

28416973068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657809 (or 2657795 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 28416973068 in words is "twenty-eight billion, four hundred sixteen million, nine hundred seventy-three thousand, sixty-eight".