2765516628 has 48 divisors (see below), whose sum is σ = 7446333440. Its totient is φ = 782473824.

The previous prime is 2765516623. The next prime is 2765516683. The reversal of 2765516628 is 8266155672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765516623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151168 + ... + 168471.

Almost surely, 2^2765516628 is an apocalyptic number.

2765516628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2765516628 is an abundant number, since it is smaller than the sum of its proper divisors (4680816812).

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

2765516628 is a wasteful number, since it uses less digits than its factorization.

2765516628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319756 (or 319754 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 2765516628 is about 52588.1795463581. The cubic root of 2765516628 is about 1403.6497673495.

The spelling of 2765516628 in words is "two billion, seven hundred sixty-five million, five hundred sixteen thousand, six hundred twenty-eight".