28116670 has 16 divisors (see below), whose sum is σ = 51978528. Its totient is φ = 10942560.

The previous prime is 28116643. The next prime is 28116701. The reversal of 28116670 is 7661182.

28116670 = T₁₁₀ + T₁₁₁ + ... + T₅₅₃.

It is a congruent number.

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, 37626 + ... + 38365.

It is an arithmetic number, because the mean of its divisors is an integer number (3248658).

Almost surely, 2^28116670 is an apocalyptic number.

28116670 is a deficient number, since it is larger than the sum of its proper divisors (23861858).

28116670 is a wasteful number, since it uses less digits than its factorization.

28116670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76035.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 28116670 is about 5302.5154408073. The cubic root of 28116670 is about 304.0800732629.

The spelling of 28116670 in words is "twenty-eight million, one hundred sixteen thousand, six hundred seventy".