872423450 has 12 divisors (see below), whose sum is σ = 1622707710. Its totient is φ = 348969360.

The previous prime is 872423417. The next prime is 872423471. The reversal of 872423450 is 54324278.

It can be written as a sum of positive squares in 3 ways, for example, as 346592689 + 525830761 = 18617^2 + 22931^2 .

It is a super-2 number, since 2×872423450² = 1522245352219805000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 872423450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8724185 + ... + 8724284.

Almost surely, 2^872423450 is an apocalyptic number.

872423450 is a deficient number, since it is larger than the sum of its proper divisors (750284260).

872423450 is a wasteful number, since it uses less digits than its factorization.

872423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17448481 (or 17448476 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 872423450 is about 29536.8151634532. The cubic root of 872423450 is about 955.5258564223.

The spelling of 872423450 in words is "eight hundred seventy-two million, four hundred twenty-three thousand, four hundred fifty".