536686878 has 48 divisors (see below), whose sum is σ = 1328351616. Its totient is φ = 141541920.

The previous prime is 536686877. The next prime is 536686907. The reversal of 536686878 is 878686635.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536686877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30708 + ... + 44903.

It is an arithmetic number, because the mean of its divisors is an integer number (27673992).

Almost surely, 2^536686878 is an apocalyptic number.

536686878 is an abundant number, since it is smaller than the sum of its proper divisors (791664738).

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

536686878 is a wasteful number, since it uses less digits than its factorization.

536686878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75649 (or 75636 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The square root of 536686878 is about 23166.5033615347. The cubic root of 536686878 is about 812.6564605356.

The spelling of 536686878 in words is "five hundred thirty-six million, six hundred eighty-six thousand, eight hundred seventy-eight".