28086444498 has 64 divisors (see below), whose sum is σ = 67997104128. Its totient is φ = 7550081280.

The previous prime is 28086444497. The next prime is 28086444517. The reversal of 28086444498 is 89444468082.

It is not an unprimeable number, because it can be changed into a prime (28086444497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3084933 + ... + 3094023.

It is an arithmetic number, because the mean of its divisors is an integer number (1062454752).

Almost surely, 2^28086444498 is an apocalyptic number.

28086444498 is an abundant number, since it is smaller than the sum of its proper divisors (39910659630).

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

28086444498 is a wasteful number, since it uses less digits than its factorization.

28086444498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447.

The product of its (nonzero) digits is 14155776, while the sum is 57.

The spelling of 28086444498 in words is "twenty-eight billion, eighty-six million, four hundred forty-four thousand, four hundred ninety-eight".