537868863 has 32 divisors (see below), whose sum is σ = 912012800. Its totient is φ = 306903168.

The previous prime is 537868789. The next prime is 537868883. The reversal of 537868863 is 368868735.

It is a happy number.

537868863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 23192²-1.

It is not a de Polignac number, because 537868863 - 2¹⁶ = 537803327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537868883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160695 + ... + 164007.

It is an arithmetic number, because the mean of its divisors is an integer number (28500400).

Almost surely, 2^537868863 is an apocalyptic number.

537868863 is a deficient number, since it is larger than the sum of its proper divisors (374143937).

537868863 is a wasteful number, since it uses less digits than its factorization.

537868863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4182 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 537868863 is about 23191.9999784408. Note that the first 4 decimals coincide. The cubic root of 537868863 is about 813.2526141376.

The spelling of 537868863 in words is "five hundred thirty-seven million, eight hundred sixty-eight thousand, eight hundred sixty-three".