264118784872 has 32 divisors (see below), whose sum is σ = 502747571520. Its totient is φ = 130053813120.

The previous prime is 264118784837. The next prime is 264118784879. The reversal of 264118784872 is 278487811462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (264118784879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016733 + ... + 2143699.

It is an arithmetic number, because the mean of its divisors is an integer number (15710861610).

Almost surely, 2^264118784872 is an apocalyptic number.

It is an amenable number.

264118784872 is a deficient number, since it is larger than the sum of its proper divisors (238628786648).

264118784872 is a wasteful number, since it uses less digits than its factorization.

264118784872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130921 (or 130917 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 58.

The spelling of 264118784872 in words is "two hundred sixty-four billion, one hundred eighteen million, seven hundred eighty-four thousand, eight hundred seventy-two".