872144651 has 8 divisors (see below), whose sum is σ = 1010391264. Its totient is φ = 737311680.

The previous prime is 872144639. The next prime is 872144653. The reversal of 872144651 is 156441278.

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

It is a de Polignac number, because none of the positive numbers 2^k-872144651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872144653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852860 + ... + 853881.

It is an arithmetic number, because the mean of its divisors is an integer number (126298908).

Almost surely, 2^872144651 is an apocalyptic number.

872144651 is a deficient number, since it is larger than the sum of its proper divisors (138246613).

872144651 is a wasteful number, since it uses less digits than its factorization.

872144651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706821.

The product of its digits is 53760, while the sum is 38.

The square root of 872144651 is about 29532.0952693845. The cubic root of 872144651 is about 955.4240602758.

The spelling of 872144651 in words is "eight hundred seventy-two million, one hundred forty-four thousand, six hundred fifty-one".