538116864 has 36 divisors (see below), whose sum is σ = 1432177656. Its totient is φ = 179372032.

The previous prime is 538116847. The next prime is 538116869. The reversal of 538116864 is 468611835.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (538116869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349569 + ... + 351104.

Almost surely, 2^538116864 is an apocalyptic number.

It is an amenable number.

538116864 is an abundant number, since it is smaller than the sum of its proper divisors (894060792).

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

538116864 is an equidigital number, since it uses as much as digits as its factorization.

538116864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700692 (or 700678 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 538116864 is about 23197.3460550986. The cubic root of 538116864 is about 813.3775866512.

The spelling of 538116864 in words is "five hundred thirty-eight million, one hundred sixteen thousand, eight hundred sixty-four".