28433164738 has 32 divisors (see below), whose sum is σ = 46922561280. Its totient is φ = 12814530960.

The previous prime is 28433164733. The next prime is 28433164769. The reversal of 28433164738 is 83746133482.

It is a junction number, because it is equal to n+sod(n) for n = 28433164691 and 28433164700.

It is not an unprimeable number, because it can be changed into a prime (28433164733) 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, 2523345 + ... + 2534587.

It is an arithmetic number, because the mean of its divisors is an integer number (1466330040).

Almost surely, 2^28433164738 is an apocalyptic number.

28433164738 is a deficient number, since it is larger than the sum of its proper divisors (18489396542).

28433164738 is a wasteful number, since it uses less digits than its factorization.

28433164738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222.

The product of its digits is 2322432, while the sum is 49.

The spelling of 28433164738 in words is "twenty-eight billion, four hundred thirty-three million, one hundred sixty-four thousand, seven hundred thirty-eight".