28081207850147 has 16 divisors (see below), whose sum is σ = 30140868320640. Its totient is φ = 26066873797632.

The previous prime is 28081207850141. The next prime is 28081207850153. The reversal of 28081207850147 is 74105870218082.

It is an interprime number because it is at equal distance from previous prime (28081207850141) and next prime (28081207850153).

It is a cyclic number.

It is not a de Polignac number, because 28081207850147 - 2¹⁸ = 28081207588003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28081207850141) 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, 86985629 + ... + 87307857.

It is an arithmetic number, because the mean of its divisors is an integer number (1883804270040).

Almost surely, 2^{28081207850147} is an apocalyptic number.

28081207850147 is a deficient number, since it is larger than the sum of its proper divisors (2059660470493).

28081207850147 is a wasteful number, since it uses less digits than its factorization.

28081207850147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392542.

The product of its (nonzero) digits is 2007040, while the sum is 53.

The spelling of 28081207850147 in words is "twenty-eight trillion, eighty-one billion, two hundred seven million, eight hundred fifty thousand, one hundred forty-seven".