2078364777 has 16 divisors (see below), whose sum is σ = 2875404672. Its totient is φ = 1334223360.

The previous prime is 2078364773. The next prime is 2078364809. The reversal of 2078364777 is 7774638702.

It is not a de Polignac number, because 2078364777 - 2² = 2078364773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078364773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85749 + ... + 107282.

It is an arithmetic number, because the mean of its divisors is an integer number (179712792).

Almost surely, 2^2078364777 is an apocalyptic number.

It is an amenable number.

2078364777 is a deficient number, since it is larger than the sum of its proper divisors (797039895).

2078364777 is a wasteful number, since it uses less digits than its factorization.

2078364777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193168.

The product of its (nonzero) digits is 2765952, while the sum is 51.

The square root of 2078364777 is about 45589.0861610539. The cubic root of 2078364777 is about 1276.1662586809.

The spelling of 2078364777 in words is "two billion, seventy-eight million, three hundred sixty-four thousand, seven hundred seventy-seven".