2078680377 has 4 divisors (see below), whose sum is σ = 2771573840. Its totient is φ = 1385786916.

The previous prime is 2078680339. The next prime is 2078680379. The reversal of 2078680377 is 7730868702.

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 2078680377 - 2¹⁰ = 2078679353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078680379) 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, 346446727 + ... + 346446732.

It is an arithmetic number, because the mean of its divisors is an integer number (692893460).

Almost surely, 2^2078680377 is an apocalyptic number.

It is an amenable number.

2078680377 is a deficient number, since it is larger than the sum of its proper divisors (692893463).

2078680377 is an equidigital number, since it uses as much as digits as its factorization.

2078680377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692893462.

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 2078680377 is about 45592.5473844136. The cubic root of 2078680377 is about 1276.2308507568.

The spelling of 2078680377 in words is "two billion, seventy-eight million, six hundred eighty thousand, three hundred seventy-seven".