28087841735290 has 32 divisors (see below), whose sum is σ = 53621151348096. Its totient is φ = 10570477853760.

The previous prime is 28087841735273. The next prime is 28087841735309. The reversal of 28087841735290 is 9253714878082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000978192 + ... + 1001006251.

It is an arithmetic number, because the mean of its divisors is an integer number (1675660979628).

Almost surely, 2^{28087841735290} is an apocalyptic number.

28087841735290 is a deficient number, since it is larger than the sum of its proper divisors (25533309612806).

28087841735290 is a wasteful number, since it uses less digits than its factorization.

28087841735290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001984534.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 28087841735290 in words is "twenty-eight trillion, eighty-seven billion, eight hundred forty-one million, seven hundred thirty-five thousand, two hundred ninety".