872942419 has 2 divisors, whose sum is σ = 872942420. Its totient is φ = 872942418.

The previous prime is 872942393. The next prime is 872942431. The reversal of 872942419 is 914249278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872942419 - 2⁵ = 872942387 is a prime.

It is a super-2 number, since 2×872942419² = 1524056933779143122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872942459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436471209 + 436471210.

It is an arithmetic number, because the mean of its divisors is an integer number (436471210).

Almost surely, 2^872942419 is an apocalyptic number.

872942419 is a deficient number, since it is larger than the sum of its proper divisors (1).

872942419 is an equidigital number, since it uses as much as digits as its factorization.

872942419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 872942419 is about 29545.5989785281. The cubic root of 872942419 is about 955.7152866058.

The spelling of 872942419 in words is "eight hundred seventy-two million, nine hundred forty-two thousand, four hundred nineteen".