2766380061 has 4 divisors (see below), whose sum is σ = 3688506752. Its totient is φ = 1844253372.

The previous prime is 2766380059. The next prime is 2766380081. The reversal of 2766380061 is 1600836672.

2766380061 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2766380061 - 2¹ = 2766380059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766380021) 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, 461063341 + ... + 461063346.

It is an arithmetic number, because the mean of its divisors is an integer number (922126688).

Almost surely, 2^2766380061 is an apocalyptic number.

It is an amenable number.

2766380061 is a deficient number, since it is larger than the sum of its proper divisors (922126691).

2766380061 is an equidigital number, since it uses as much as digits as its factorization.

2766380061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922126690.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2766380061 is about 52596.3882885508. The cubic root of 2766380061 is about 1403.7958318508.

The spelling of 2766380061 in words is "two billion, seven hundred sixty-six million, three hundred eighty thousand, sixty-one".