28922159085 has 16 divisors (see below), whose sum is σ = 46390864320. Its totient is φ = 15386681600.

The previous prime is 28922159069. The next prime is 28922159131. The reversal of 28922159085 is 58095122982.

It is not a de Polignac number, because 28922159085 - 2⁴ = 28922159069 is a prime.

It is a super-2 number, since 2×28922159085² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2398155 + ... + 2410184.

It is an arithmetic number, because the mean of its divisors is an integer number (2899429020).

Almost surely, 2^28922159085 is an apocalyptic number.

It is an amenable number.

28922159085 is a deficient number, since it is larger than the sum of its proper divisors (17468705235).

28922159085 is a wasteful number, since it uses less digits than its factorization.

28922159085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808748.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 28922159085 in words is "twenty-eight billion, nine hundred twenty-two million, one hundred fifty-nine thousand, eighty-five".