28920936512827 has 16 divisors (see below), whose sum is σ = 29753986102272. Its totient is φ = 28096987613760.

The previous prime is 28920936512803. The next prime is 28920936512851. The reversal of 28920936512827 is 72821563902982.

It is an interprime number because it is at equal distance from previous prime (28920936512803) and next prime (28920936512851).

It is a cyclic number.

It is not a de Polignac number, because 28920936512827 - 2¹¹ = 28920936510779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28920936512857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94700458 + ... + 95005360.

It is an arithmetic number, because the mean of its divisors is an integer number (1859624131392).

Almost surely, 2^{28920936512827} is an apocalyptic number.

28920936512827 is a deficient number, since it is larger than the sum of its proper divisors (833049589445).

28920936512827 is a wasteful number, since it uses less digits than its factorization.

28920936512827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319818.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 28920936512827 in words is "twenty-eight trillion, nine hundred twenty billion, nine hundred thirty-six million, five hundred twelve thousand, eight hundred twenty-seven".