872197363 has 2 divisors, whose sum is σ = 872197364. Its totient is φ = 872197362.

The previous prime is 872197351. The next prime is 872197373. The reversal of 872197363 is 363791278.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872197363 - 2⁹ = 872196851 is a prime.

It is not a weakly prime, because it can be changed into another prime (872197303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436098681 + 436098682.

It is an arithmetic number, because the mean of its divisors is an integer number (436098682).

Almost surely, 2^872197363 is an apocalyptic number.

872197363 is a deficient number, since it is larger than the sum of its proper divisors (1).

872197363 is an equidigital number, since it uses as much as digits as its factorization.

872197363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 872197363 is about 29532.9877086623. The cubic root of 872197363 is about 955.4433083437.

The spelling of 872197363 in words is "eight hundred seventy-two million, one hundred ninety-seven thousand, three hundred sixty-three".