378537859 has 16 divisors (see below), whose sum is σ = 445989888. Its totient is φ = 314560512.

The previous prime is 378537853. The next prime is 378537877. The reversal of 378537859 is 958735873.

It is not a de Polignac number, because 378537859 - 2¹⁵ = 378505091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378537853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29827 + ... + 40579.

It is an arithmetic number, because the mean of its divisors is an integer number (27874368).

Almost surely, 2^378537859 is an apocalyptic number.

378537859 is a deficient number, since it is larger than the sum of its proper divisors (67452029).

378537859 is a wasteful number, since it uses less digits than its factorization.

378537859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914.

The product of its digits is 6350400, while the sum is 55.

The square root of 378537859 is about 19456.0494191395. The cubic root of 378537859 is about 723.3854576514.

The spelling of 378537859 in words is "three hundred seventy-eight million, five hundred thirty-seven thousand, eight hundred fifty-nine".