2978063983 has 2 divisors, whose sum is σ = 2978063984. Its totient is φ = 2978063982.

The previous prime is 2978063947. The next prime is 2978064049. The reversal of 2978063983 is 3893608792.

It is a happy number.

2978063983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2978063983 - 2⁹ = 2978063471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978063903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489031991 + 1489031992.

It is an arithmetic number, because the mean of its divisors is an integer number (1489031992).

Almost surely, 2^2978063983 is an apocalyptic number.

2978063983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978063983 is an equidigital number, since it uses as much as digits as its factorization.

2978063983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 2978063983 is about 54571.6408311130. The cubic root of 2978063983 is about 1438.7257218233.

The spelling of 2978063983 in words is "two billion, nine hundred seventy-eight million, sixty-three thousand, nine hundred eighty-three".