866060628 has 48 divisors (see below), whose sum is σ = 2090504640. Its totient is φ = 278843904.

The previous prime is 866060623. The next prime is 866060633. The reversal of 866060628 is 826060668.

866060628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (866060623) and next prime (866060633).

It is a super-2 number, since 2×866060628² = 1500122022743508768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 866060628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866060621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54700 + ... + 68732.

It is an arithmetic number, because the mean of its divisors is an integer number (43552180).

Almost surely, 2^866060628 is an apocalyptic number.

It is an amenable number.

866060628 is an abundant number, since it is smaller than the sum of its proper divisors (1224444012).

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

866060628 is a wasteful number, since it uses less digits than its factorization.

866060628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14216 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 866060628 is about 29428.9080327490. The cubic root of 866060628 is about 953.1972159103.

The spelling of 866060628 in words is "eight hundred sixty-six million, sixty thousand, six hundred twenty-eight".