872481719 has 16 divisors (see below), whose sum is σ = 913694496. Its totient is φ = 832291200.

The previous prime is 872481713. The next prime is 872481737. The reversal of 872481719 is 917184278.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872481719 is a prime.

It is a super-2 number, since 2×872481719² = 1522448699978389922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872481713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288409 + ... + 1289085.

It is an arithmetic number, because the mean of its divisors is an integer number (57105906).

Almost surely, 2^872481719 is an apocalyptic number.

872481719 is a deficient number, since it is larger than the sum of its proper divisors (41212777).

872481719 is a wasteful number, since it uses less digits than its factorization.

872481719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its digits is 225792, while the sum is 47.

The square root of 872481719 is about 29537.8015261800. The cubic root of 872481719 is about 955.5471290801.

The spelling of 872481719 in words is "eight hundred seventy-two million, four hundred eighty-one thousand, seven hundred nineteen".