28873014394 has 32 divisors (see below), whose sum is σ = 51393916800. Its totient is φ = 11902994880.

The previous prime is 28873014377. The next prime is 28873014397. The reversal of 28873014394 is 49341037882.

It is a happy number.

It is a super-2 number, since 2×28873014394² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28873014397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22972 + ... + 241399.

It is an arithmetic number, because the mean of its divisors is an integer number (1606059900).

Almost surely, 2^28873014394 is an apocalyptic number.

28873014394 is a deficient number, since it is larger than the sum of its proper divisors (22520902406).

28873014394 is a wasteful number, since it uses less digits than its factorization.

28873014394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264678.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 28873014394 in words is "twenty-eight billion, eight hundred seventy-three million, fourteen thousand, three hundred ninety-four".