2077764863 has 4 divisors (see below), whose sum is σ = 2144789568. Its totient is φ = 2010740160.

The previous prime is 2077764851. The next prime is 2077764901. The reversal of 2077764863 is 3684677702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3684677702 = 2 ⋅1842338851.

It is a cyclic number.

It is not a de Polignac number, because 2077764863 - 2⁸ = 2077764607 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 (2077764833) 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, 33512306 + ... + 33512367.

It is an arithmetic number, because the mean of its divisors is an integer number (536197392).

Almost surely, 2^2077764863 is an apocalyptic number.

2077764863 is a deficient number, since it is larger than the sum of its proper divisors (67024705).

2077764863 is an equidigital number, since it uses as much as digits as its factorization.

2077764863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67024704.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The square root of 2077764863 is about 45582.5061070582. The cubic root of 2077764863 is about 1276.0434596280.

The spelling of 2077764863 in words is "two billion, seventy-seven million, seven hundred sixty-four thousand, eight hundred sixty-three".