28216095080 has 32 divisors (see below), whose sum is σ = 63623969640. Its totient is φ = 11261948160.

The previous prime is 28216095067. The next prime is 28216095101. The reversal of 28216095080 is 8059061282.

It can be written as a sum of positive squares in 4 ways, for example, as 14952887524 + 13263207556 = 122282^2 + 115166^2 .

It is a super-2 number, since 2×28216095080² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746639 + ... + 783518.

Almost surely, 2^28216095080 is an apocalyptic number.

28216095080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28216095080 is an abundant number, since it is smaller than the sum of its proper divisors (35407874560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28216095080 is a wasteful number, since it uses less digits than its factorization.

28216095080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530629 (or 1530625 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 28216095080 in words is "twenty-eight billion, two hundred sixteen million, ninety-five thousand, eighty".