115667628 has 24 divisors (see below), whose sum is σ = 270122160. Its totient is φ = 38522880.

The previous prime is 115667569. The next prime is 115667633. The reversal of 115667628 is 826766511.

It is a self number, because there is not a number n which added to its sum of digits gives 115667628.

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, 13488 + ... + 20328.

It is an arithmetic number, because the mean of its divisors is an integer number (11255090).

Almost surely, 2^115667628 is an apocalyptic number.

It is an amenable number.

115667628 is an abundant number, since it is smaller than the sum of its proper divisors (154454532).

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

115667628 is a wasteful number, since it uses less digits than its factorization.

115667628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257 (or 8255 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 115667628 is about 10754.8885628815. Note that the first 3 decimals coincide. The cubic root of 115667628 is about 487.2336522709.

The spelling of 115667628 in words is "one hundred fifteen million, six hundred sixty-seven thousand, six hundred twenty-eight".