28673033402 has 16 divisors (see below), whose sum is σ = 46613002632. Its totient is φ = 13149414720.

The previous prime is 28673033393. The next prime is 28673033419. The reversal of 28673033402 is 20433037682.

It can be written as a sum of positive squares in 4 ways, for example, as 18281473681 + 10391559721 = 135209^2 + 101939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508049 + ... + 3516212.

Almost surely, 2^28673033402 is an apocalyptic number.

28673033402 is a deficient number, since it is larger than the sum of its proper divisors (17939969230).

28673033402 is a wasteful number, since it uses less digits than its factorization.

28673033402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024433.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 28673033402 in words is "twenty-eight billion, six hundred seventy-three million, thirty-three thousand, four hundred two".