872045652 has 24 divisors (see below), whose sum is σ = 2040238816. Its totient is φ = 289901088.

The previous prime is 872045639. The next prime is 872045653. The reversal of 872045652 is 256540278.

It is a self number, because there is not a number n which added to its sum of digits gives 872045652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872045653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92938 + ... + 101889.

Almost surely, 2^872045652 is an apocalyptic number.

It is an amenable number.

872045652 is an abundant number, since it is smaller than the sum of its proper divisors (1168193164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872045652 is a wasteful number, since it uses less digits than its factorization.

872045652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195207 (or 195205 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 872045652 is about 29530.4190962472. The cubic root of 872045652 is about 955.3879081667.

The spelling of 872045652 in words is "eight hundred seventy-two million, forty-five thousand, six hundred fifty-two".