28010116 has 6 divisors (see below), whose sum is σ = 49017710. Its totient is φ = 14005056.

The previous prime is 28010107. The next prime is 28010119. The reversal of 28010116 is 61101082.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 6350400 = 4654^2 + 2520^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28010093 and 28010102.

It is not an unprimeable number, because it can be changed into a prime (28010119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3501261 + ... + 3501268.

Almost surely, 2^28010116 is an apocalyptic number.

It is an amenable number.

28010116 is a deficient number, since it is larger than the sum of its proper divisors (21007594).

28010116 is a wasteful number, since it uses less digits than its factorization.

28010116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002533 (or 7002531 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 28010116 is about 5292.4584079613. The cubic root of 28010116 is about 303.6954619917.

Adding to 28010116 its reverse (61101082), we get a palindrome (89111198).

The spelling of 28010116 in words is "twenty-eight million, ten thousand, one hundred sixteen".