2764532868 has 12 divisors (see below), whose sum is σ = 6450576720. Its totient is φ = 921510952.

The previous prime is 2764532867. The next prime is 2764532879. The reversal of 2764532868 is 8682354672.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2764532868.

It is not an unprimeable number, because it can be changed into a prime (2764532861) 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, 115188858 + ... + 115188881.

It is an arithmetic number, because the mean of its divisors is an integer number (537548060).

Almost surely, 2^2764532868 is an apocalyptic number.

It is an amenable number.

2764532868 is an abundant number, since it is smaller than the sum of its proper divisors (3686043852).

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

2764532868 is a wasteful number, since it uses less digits than its factorization.

2764532868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230377746 (or 230377744 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The square root of 2764532868 is about 52578.8252816664. The cubic root of 2764532868 is about 1403.4833104149.

The spelling of 2764532868 in words is "two billion, seven hundred sixty-four million, five hundred thirty-two thousand, eight hundred sixty-eight".