28334286504 has 24 divisors (see below), whose sum is σ = 76738692810. Its totient is φ = 9444762144.

The previous prime is 28334286443. The next prime is 28334286517. The reversal of 28334286504 is 40568243382.

28334286504 is a `hidden beast` number, since 28 + 3 + 3 + 42 + 86 + 504 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24853522500 + 3480764004 = 157650^2 + 58998^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 28334286504.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196765807 + ... + 196765950.

Almost surely, 2^28334286504 is an apocalyptic number.

28334286504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28334286504 is an abundant number, since it is smaller than the sum of its proper divisors (48404406306).

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

28334286504 is a wasteful number, since it uses less digits than its factorization.

28334286504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393531769 (or 393531762 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 28334286504 in words is "twenty-eight billion, three hundred thirty-four million, two hundred eighty-six thousand, five hundred four".