866028962 has 6 divisors (see below), whose sum is σ = 1299105873. Its totient is φ = 432993672.

The previous prime is 866028931. The next prime is 866028973. The reversal of 866028962 is 269820668.

It can be written as a sum of positive squares in 2 ways, for example, as 808890481 + 57138481 = 28441^2 + 7559^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20809.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31214 + ... + 52022.

Almost surely, 2^866028962 is an apocalyptic number.

866028962 is a deficient number, since it is larger than the sum of its proper divisors (433076911).

866028962 is an frugal number, since it uses more digits than its factorization.

866028962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41620 (or 20811 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 866028962 is about 29428.3700194217. The cubic root of 866028962 is about 953.1855984361.

The spelling of 866028962 in words is "eight hundred sixty-six million, twenty-eight thousand, nine hundred sixty-two".