28880220082 has 16 divisors (see below), whose sum is σ = 51216154560. Its totient is φ = 11950435728.

The previous prime is 28880220067. The next prime is 28880220101. The reversal of 28880220082 is 28002208882.

It is a super-2 number, since 2×28880220082² (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, 35566368 + ... + 35567179.

It is an arithmetic number, because the mean of its divisors is an integer number (3201009660).

Almost surely, 2^28880220082 is an apocalyptic number.

28880220082 is a deficient number, since it is larger than the sum of its proper divisors (22335934478).

28880220082 is a wasteful number, since it uses less digits than its factorization.

28880220082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71133585.

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 28880220082 in words is "twenty-eight billion, eight hundred eighty million, two hundred twenty thousand, eighty-two".