378986099 has 2 divisors, whose sum is σ = 378986100. Its totient is φ = 378986098.

The previous prime is 378986077. The next prime is 378986177. The reversal of 378986099 is 990689873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378986099 - 2⁸ = 378985843 is a prime.

It is not a weakly prime, because it can be changed into another prime (378986029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189493049 + 189493050.

It is an arithmetic number, because the mean of its divisors is an integer number (189493050).

Almost surely, 2^378986099 is an apocalyptic number.

378986099 is a deficient number, since it is larger than the sum of its proper divisors (1).

378986099 is an equidigital number, since it uses as much as digits as its factorization.

378986099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 378986099 is about 19467.5653074543. The cubic root of 378986099 is about 723.6708737496.

The spelling of 378986099 in words is "three hundred seventy-eight million, nine hundred eighty-six thousand, ninety-nine".