28022087377 has 16 divisors (see below), whose sum is σ = 30167396352. Its totient is φ = 25933949440.

The previous prime is 28022087363. The next prime is 28022087383. The reversal of 28022087377 is 77378022082.

It is a cyclic number.

It is not a de Polignac number, because 28022087377 - 2¹⁵ = 28022054609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28022082377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431973 + ... + 492589.

It is an arithmetic number, because the mean of its divisors is an integer number (1885462272).

Almost surely, 2^28022087377 is an apocalyptic number.

It is an amenable number.

28022087377 is a deficient number, since it is larger than the sum of its proper divisors (2145308975).

28022087377 is a wasteful number, since it uses less digits than its factorization.

28022087377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61088.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 28022087377 in words is "twenty-eight billion, twenty-two million, eighty-seven thousand, three hundred seventy-seven".