652771880 has 32 divisors (see below), whose sum is σ = 1469637000. Its totient is φ = 260948736.

The previous prime is 652771859. The next prime is 652771883. The reversal of 652771880 is 88177256.

It can be written as a sum of positive squares in 4 ways, for example, as 520843684 + 131928196 = 22822^2 + 11486^2 .

It is a super-2 number, since 2×652771880² = 852222254637468800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (652771883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78146 + ... + 86094.

Almost surely, 2^652771880 is an apocalyptic number.

It is an amenable number.

652771880 is an abundant number, since it is smaller than the sum of its proper divisors (816865120).

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

652771880 is a wasteful number, since it uses less digits than its factorization.

652771880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013 (or 10009 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 652771880 is about 25549.4007757521. The cubic root of 652771880 is about 867.4686980542.

The spelling of 652771880 in words is "six hundred fifty-two million, seven hundred seventy-one thousand, eight hundred eighty".