872319077 has 8 divisors (see below), whose sum is σ = 997261056. Its totient is φ = 747458352.

The previous prime is 872319059. The next prime is 872319083. The reversal of 872319077 is 770913278.

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

It is a cyclic number.

It is not a de Polignac number, because 872319077 - 2¹⁰ = 872318053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872319017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4763 + ... + 42039.

It is an arithmetic number, because the mean of its divisors is an integer number (124657632).

Almost surely, 2^872319077 is an apocalyptic number.

It is an amenable number.

872319077 is a deficient number, since it is larger than the sum of its proper divisors (124941979).

872319077 is a wasteful number, since it uses less digits than its factorization.

872319077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40627.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 872319077 is about 29535.0482816602. The cubic root of 872319077 is about 955.4877498974.

The spelling of 872319077 in words is "eight hundred seventy-two million, three hundred nineteen thousand, seventy-seven".