652788871 has 8 divisors (see below), whose sum is σ = 785310080. Its totient is φ = 530084088.

The previous prime is 652788859. The next prime is 652788889. The reversal of 652788871 is 178887256.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652788871 - 2¹³ = 652780679 is a prime.

It is a super-2 number, since 2×652788871² = 852266620202909282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652788371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2453961 + ... + 2454226.

It is an arithmetic number, because the mean of its divisors is an integer number (98163760).

Almost surely, 2^652788871 is an apocalyptic number.

652788871 is a deficient number, since it is larger than the sum of its proper divisors (132521209).

652788871 is a wasteful number, since it uses less digits than its factorization.

652788871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908213.

The product of its digits is 1505280, while the sum is 52.

The square root of 652788871 is about 25549.7332862791. The cubic root of 652788871 is about 867.4762244368.

The spelling of 652788871 in words is "six hundred fifty-two million, seven hundred eighty-eight thousand, eight hundred seventy-one".