28794170878792 has 32 divisors (see below), whose sum is σ = 62361706986720. Its totient is φ = 12318361872640.

The previous prime is 28794170878763. The next prime is 28794170878817. The reversal of 28794170878792 is 29787807149782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9623718718 + ... + 9623721709.

It is an arithmetic number, because the mean of its divisors is an integer number (1948803343335).

Almost surely, 2^{28794170878792} is an apocalyptic number.

28794170878792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28794170878792 is an abundant number, since it is smaller than the sum of its proper divisors (33567536107928).

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

28794170878792 is a wasteful number, since it uses less digits than its factorization.

28794170878792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19247440461 (or 19247440457 counting only the distinct ones).

The product of its (nonzero) digits is 1593188352, while the sum is 79.

The spelling of 28794170878792 in words is "twenty-eight trillion, seven hundred ninety-four billion, one hundred seventy million, eight hundred seventy-eight thousand, seven hundred ninety-two".