537787668 has 24 divisors (see below), whose sum is σ = 1368914400. Its totient is φ = 162965920.

The previous prime is 537787667. The next prime is 537787669. The reversal of 537787668 is 866787735.

It is an interprime number because it is at equal distance from previous prime (537787667) and next prime (537787669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537787667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036943 + ... + 2037206.

It is an arithmetic number, because the mean of its divisors is an integer number (57038100).

Almost surely, 2^537787668 is an apocalyptic number.

It is an amenable number.

537787668 is an abundant number, since it is smaller than the sum of its proper divisors (831126732).

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

537787668 is a wasteful number, since it uses less digits than its factorization.

537787668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074167 (or 4074165 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 57.

The square root of 537787668 is about 23190.2494165112. The cubic root of 537787668 is about 813.2116900553.

The spelling of 537787668 in words is "five hundred thirty-seven million, seven hundred eighty-seven thousand, six hundred sixty-eight".