28892678042 has 8 divisors (see below), whose sum is σ = 43433029332. Its totient is φ = 14415001600.

The previous prime is 28892678029. The next prime is 28892678051. The reversal of 28892678042 is 24087629882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27519160321 + 1373517721 = 165889^2 + 37061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 15667559 + ... + 15669402.

Almost surely, 2^28892678042 is an apocalyptic number.

28892678042 is a deficient number, since it is larger than the sum of its proper divisors (14540351290).

28892678042 is a wasteful number, since it uses less digits than its factorization.

28892678042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31337424.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 28892678042 in words is "twenty-eight billion, eight hundred ninety-two million, six hundred seventy-eight thousand, forty-two".