872429056 has 20 divisors (see below), whose sum is σ = 1743155172. Its totient is φ = 436214272.

The previous prime is 872429039. The next prime is 872429057. The reversal of 872429056 is 650924278.

It is a super-2 number, since 2×872429056² = 1522264915506102272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872429057) by changing a digit.

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 as a sum of consecutive naturals, namely, 851470 + ... + 852493.

Almost surely, 2^872429056 is an apocalyptic number.

It is an amenable number.

872429056 is a deficient number, since it is larger than the sum of its proper divisors (870726116).

872429056 is an equidigital number, since it uses as much as digits as its factorization.

872429056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703981 (or 1703965 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 872429056 is about 29536.9100618193. The cubic root of 872429056 is about 955.5279030838.

The spelling of 872429056 in words is "eight hundred seventy-two million, four hundred twenty-nine thousand, fifty-six".