2766747156 has 12 divisors (see below), whose sum is σ = 6455743392. Its totient is φ = 922249048.

The previous prime is 2766747131. The next prime is 2766747157. The reversal of 2766747156 is 6517476672.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2766747099 and 2766747108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766747157) 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, 115281120 + ... + 115281143.

It is an arithmetic number, because the mean of its divisors is an integer number (537978616).

Almost surely, 2^2766747156 is an apocalyptic number.

It is an amenable number.

2766747156 is an abundant number, since it is smaller than the sum of its proper divisors (3688996236).

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

2766747156 is a wasteful number, since it uses less digits than its factorization.

2766747156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230562270 (or 230562268 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The square root of 2766747156 is about 52599.8779086036. The cubic root of 2766747156 is about 1403.8579230587.

The spelling of 2766747156 in words is "two billion, seven hundred sixty-six million, seven hundred forty-seven thousand, one hundred fifty-six".