2782080077 has 4 divisors (see below), whose sum is σ = 3179520096. Its totient is φ = 2384640060.

The previous prime is 2782080053. The next prime is 2782080079. The reversal of 2782080077 is 7700802872.

2782080077 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 2782080077 - 2¹⁶ = 2782014541 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 (2782080079) 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, 198719999 + ... + 198720012.

It is an arithmetic number, because the mean of its divisors is an integer number (794880024).

Almost surely, 2^2782080077 is an apocalyptic number.

It is an amenable number.

2782080077 is a deficient number, since it is larger than the sum of its proper divisors (397440019).

2782080077 is an equidigital number, since it uses as much as digits as its factorization.

2782080077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397440018.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 2782080077 is about 52745.4270719273. The cubic root of 2782080077 is about 1406.4464744163.

The spelling of 2782080077 in words is "two billion, seven hundred eighty-two million, eighty thousand, seventy-seven".