2380978811 has 2 divisors, whose sum is σ = 2380978812. Its totient is φ = 2380978810.

The previous prime is 2380978801. The next prime is 2380978871. The reversal of 2380978811 is 1188790832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2380978811 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2380978801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190489405 + 1190489406.

It is an arithmetic number, because the mean of its divisors is an integer number (1190489406).

Almost surely, 2^2380978811 is an apocalyptic number.

2380978811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2380978811 is an equidigital number, since it uses as much as digits as its factorization.

2380978811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 2380978811 is about 48795.2744740718. The cubic root of 2380978811 is about 1335.3194559701.

The spelling of 2380978811 in words is "two billion, three hundred eighty million, nine hundred seventy-eight thousand, eight hundred eleven".