28078114232 has 16 divisors (see below), whose sum is σ = 60167387760. Its totient is φ = 12033477504.

The previous prime is 28078114223. The next prime is 28078114237. The reversal of 28078114232 is 23241187082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28078114237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250697393 + ... + 250697504.

It is an arithmetic number, because the mean of its divisors is an integer number (3760461735).

Almost surely, 2^28078114232 is an apocalyptic number.

It is an amenable number.

28078114232 is an abundant number, since it is smaller than the sum of its proper divisors (32089273528).

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

28078114232 is a wasteful number, since it uses less digits than its factorization.

28078114232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501394910 (or 501394906 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 28078114232 in words is "twenty-eight billion, seventy-eight million, one hundred fourteen thousand, two hundred thirty-two".