861176049 has 8 divisors (see below), whose sum is σ = 1148465472. Its totient is φ = 574002000.

The previous prime is 861176047. The next prime is 861176131. The reversal of 861176049 is 940671168.

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

It is not a de Polignac number, because 861176049 - 2¹ = 861176047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 861176049.

It is not an unprimeable number, because it can be changed into a prime (861176047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9589 + ... + 42594.

It is an arithmetic number, because the mean of its divisors is an integer number (143558184).

Almost surely, 2^861176049 is an apocalyptic number.

It is an amenable number.

861176049 is a deficient number, since it is larger than the sum of its proper divisors (287289423).

861176049 is a wasteful number, since it uses less digits than its factorization.

861176049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57687.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 861176049 is about 29345.8012158469. The cubic root of 861176049 is about 951.4018266515.

The spelling of 861176049 in words is "eight hundred sixty-one million, one hundred seventy-six thousand, forty-nine".