861292966 has 8 divisors (see below), whose sum is σ = 1293398640. Its totient is φ = 430160088.

The previous prime is 861292931. The next prime is 861292979. The reversal of 861292966 is 669292168.

861292966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240981 + ... + 244528.

It is an arithmetic number, because the mean of its divisors is an integer number (161674830).

Almost surely, 2^861292966 is an apocalyptic number.

861292966 is a deficient number, since it is larger than the sum of its proper divisors (432105674).

861292966 is a wasteful number, since it uses less digits than its factorization.

861292966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486398.

The product of its digits is 559872, while the sum is 49.

The square root of 861292966 is about 29347.7932049413. The cubic root of 861292966 is about 951.4448801843. Note that the first 3 decimals are identical.

The spelling of 861292966 in words is "eight hundred sixty-one million, two hundred ninety-two thousand, nine hundred sixty-six".