28077788192 has 24 divisors (see below), whose sum is σ = 55282126032. Its totient is φ = 14037883200.

The previous prime is 28077788171. The next prime is 28077788209. The reversal of 28077788192 is 29188777082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638267 + ... + 680837.

It is an arithmetic number, because the mean of its divisors is an integer number (2303421918).

Almost surely, 2^28077788192 is an apocalyptic number.

It is an amenable number.

28077788192 is a deficient number, since it is larger than the sum of its proper divisors (27204337840).

28077788192 is a wasteful number, since it uses less digits than its factorization.

28077788192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63192 (or 63184 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 59.

The spelling of 28077788192 in words is "twenty-eight billion, seventy-seven million, seven hundred eighty-eight thousand, one hundred ninety-two".