28291118282 has 16 divisors (see below), whose sum is σ = 48979251072. Its totient is φ = 12004717200.

The previous prime is 28291118267. The next prime is 28291118291. The reversal of 28291118282 is 28281119282.

It is a super-2 number, since 2×28291118282² (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, 10002518 + ... + 10005345.

It is an arithmetic number, because the mean of its divisors is an integer number (3061203192).

Almost surely, 2^28291118282 is an apocalyptic number.

28291118282 is a deficient number, since it is larger than the sum of its proper divisors (20688132790).

28291118282 is a wasteful number, since it uses less digits than its factorization.

28291118282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20007973.

The product of its digits is 73728, while the sum is 44.

The spelling of 28291118282 in words is "twenty-eight billion, two hundred ninety-one million, one hundred eighteen thousand, two hundred eighty-two".