861046802 has 16 divisors (see below), whose sum is σ = 1610269632. Its totient is φ = 335472720.

The previous prime is 861046799. The next prime is 861046831. The reversal of 861046802 is 208640168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795453 + ... + 2795760.

It is an arithmetic number, because the mean of its divisors is an integer number (100641852).

Almost surely, 2^861046802 is an apocalyptic number.

861046802 is a deficient number, since it is larger than the sum of its proper divisors (749222830).

861046802 is a wasteful number, since it uses less digits than its factorization.

861046802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591233.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 861046802 is about 29343.5989953516. The cubic root of 861046802 is about 951.3542281827.

The spelling of 861046802 in words is "eight hundred sixty-one million, forty-six thousand, eight hundred two".