537868864 has 63 divisors (see below), whose sum is σ = 1160957673. Its totient is φ = 247133952.

The previous prime is 537868789. The next prime is 537868883. The reversal of 537868864 is 468868735.

The square root of 537868864 is 23192.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 458302464 = 8920^2 + 21408^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2411857 + ... + 2412079.

Almost surely, 2^537868864 is an apocalyptic number.

537868864 is the 23192-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537868864

537868864 is an abundant number, since it is smaller than the sum of its proper divisors (623088809).

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

537868864 is an equidigital number, since it uses as much as digits as its factorization.

537868864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 238 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The cubic root of 537868864 is about 813.2526146416.

The spelling of 537868864 in words is "five hundred thirty-seven million, eight hundred sixty-eight thousand, eight hundred sixty-four".