378783087 has 16 divisors (see below), whose sum is σ = 517735680. Its totient is φ = 246197952.

The previous prime is 378783077. The next prime is 378783089. The reversal of 378783087 is 780387873.

It is not a de Polignac number, because 378783087 - 2¹⁵ = 378750319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378783089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77214 + ... + 81972.

It is an arithmetic number, because the mean of its divisors is an integer number (32358480).

Almost surely, 2^378783087 is an apocalyptic number.

378783087 is a deficient number, since it is larger than the sum of its proper divisors (138952593).

378783087 is a wasteful number, since it uses less digits than its factorization.

378783087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The square root of 378783087 is about 19462.3505003892. The cubic root of 378783087 is about 723.5416340826.

The spelling of 378783087 in words is "three hundred seventy-eight million, seven hundred eighty-three thousand, eighty-seven".