872625419 has 4 divisors (see below), whose sum is σ = 923956344. Its totient is φ = 821294496.

The previous prime is 872625409. The next prime is 872625421. The reversal of 872625419 is 914526278.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872625419 is a prime.

It is a super-2 number, since 2×872625419² = 1522950243769851122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 872625419.

It is not an unprimeable number, because it can be changed into a prime (872625409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25665437 + ... + 25665470.

It is an arithmetic number, because the mean of its divisors is an integer number (230989086).

Almost surely, 2^872625419 is an apocalyptic number.

872625419 is a deficient number, since it is larger than the sum of its proper divisors (51330925).

872625419 is a wasteful number, since it uses less digits than its factorization.

872625419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51330924.

The product of its digits is 241920, while the sum is 44.

The square root of 872625419 is about 29540.2339022561. The cubic root of 872625419 is about 955.5995865630.

The spelling of 872625419 in words is "eight hundred seventy-two million, six hundred twenty-five thousand, four hundred nineteen".