2770661376 has 260 divisors, whose sum is σ = 9467092272. Its totient is φ = 790953984.

The previous prime is 2770661371. The next prime is 2770661381. The reversal of 2770661376 is 6731660772.

2770661376 is a `hidden beast` number, since 27 + 7 + 0 + 6 + 613 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2770661371) and next prime (2770661381).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770661371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2321836 + ... + 2323028.

Almost surely, 2^2770661376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2770661376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4733546136).

2770661376 is an abundant number, since it is smaller than the sum of its proper divisors (6696430896).

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

2770661376 is an equidigital number, since it uses as much as digits as its factorization.

2770661376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 2770661376 is about 52637.0722590077. The cubic root of 2770661376 is about 1404.5196410924.

The spelling of 2770661376 in words is "two billion, seven hundred seventy million, six hundred sixty-one thousand, three hundred seventy-six".