28247082590 has 16 divisors (see below), whose sum is σ = 50847132672. Its totient is φ = 11298303264.

The previous prime is 28247082559. The next prime is 28247082607. The reversal of 28247082590 is 9528074282.

It is a super-2 number, since 2×28247082590² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214307 + ... + 320033.

It is an arithmetic number, because the mean of its divisors is an integer number (3177945792).

Almost surely, 2^28247082590 is an apocalyptic number.

28247082590 is a deficient number, since it is larger than the sum of its proper divisors (22600050082).

28247082590 is a wasteful number, since it uses less digits than its factorization.

28247082590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132451.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 28247082590 in words is "twenty-eight billion, two hundred forty-seven million, eighty-two thousand, five hundred ninety".