3789980947 has 2 divisors, whose sum is σ = 3789980948. Its totient is φ = 3789980946.

The previous prime is 3789980899. The next prime is 3789981017. The reversal of 3789980947 is 7490899873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3789980947 - 2⁷ = 3789980819 is a prime.

It is not a weakly prime, because it can be changed into another prime (3789980147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894990473 + 1894990474.

It is an arithmetic number, because the mean of its divisors is an integer number (1894990474).

Almost surely, 2^3789980947 is an apocalyptic number.

3789980947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3789980947 is an equidigital number, since it uses as much as digits as its factorization.

3789980947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The square root of 3789980947 is about 61562.8211423096. The cubic root of 3789980947 is about 1559.1180840038.

The spelling of 3789980947 in words is "three billion, seven hundred eighty-nine million, nine hundred eighty thousand, nine hundred forty-seven".