28083421014774 has 32 divisors (see below), whose sum is σ = 56255125105536. Its totient is φ = 9346433650560.

The previous prime is 28083421014739. The next prime is 28083421014829. The reversal of 28083421014774 is 47741012438082.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14836254 + ... + 16621710.

It is an arithmetic number, because the mean of its divisors is an integer number (1757972659548).

Almost surely, 2^{28083421014774} is an apocalyptic number.

28083421014774 is an abundant number, since it is smaller than the sum of its proper divisors (28171704090762).

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

28083421014774 is a wasteful number, since it uses less digits than its factorization.

28083421014774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789580.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 28083421014774 in words is "twenty-eight trillion, eighty-three billion, four hundred twenty-one million, fourteen thousand, seven hundred seventy-four".