872143721452 has 6 divisors (see below), whose sum is σ = 1526251512548. Its totient is φ = 436071860724.

The previous prime is 872143721443. The next prime is 872143721453. The reversal of 872143721452 is 254127341278.

It is not an unprimeable number, because it can be changed into a prime (872143721453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109017965178 + ... + 109017965185.

Almost surely, 2^872143721452 is an apocalyptic number.

It is an amenable number.

872143721452 is a deficient number, since it is larger than the sum of its proper divisors (654107791096).

872143721452 is a wasteful number, since it uses less digits than its factorization.

872143721452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218035930367 (or 218035930365 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The spelling of 872143721452 in words is "eight hundred seventy-two billion, one hundred forty-three million, seven hundred twenty-one thousand, four hundred fifty-two".