2063720278 has 4 divisors (see below), whose sum is σ = 3095580420. Its totient is φ = 1031860138.

The previous prime is 2063720261. The next prime is 2063720297. The reversal of 2063720278 is 8720273602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515930068 + ... + 515930071.

It is an arithmetic number, because the mean of its divisors is an integer number (773895105).

Almost surely, 2^2063720278 is an apocalyptic number.

2063720278 is a deficient number, since it is larger than the sum of its proper divisors (1031860142).

2063720278 is a wasteful number, since it uses less digits than its factorization.

2063720278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031860141.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2063720278 is about 45428.1881434864. The cubic root of 2063720278 is about 1273.1618321296.

The spelling of 2063720278 in words is "two billion, sixty-three million, seven hundred twenty thousand, two hundred seventy-eight".