378307683 has 18 divisors (see below), whose sum is σ = 591714396. Its totient is φ = 232803792.

The previous prime is 378307673. The next prime is 378307687. The reversal of 378307683 is 386703873.

It is not a de Polignac number, because 378307683 - 2²⁰ = 377259107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378307687) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 122841 + ... + 125882.

It is an arithmetic number, because the mean of its divisors is an integer number (32873022).

Almost surely, 2^378307683 is an apocalyptic number.

378307683 is a deficient number, since it is larger than the sum of its proper divisors (213406713).

378307683 is a wasteful number, since it uses less digits than its factorization.

378307683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248755 (or 248739 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 378307683 is about 19450.1332386182. The cubic root of 378307683 is about 723.2388058899.

The spelling of 378307683 in words is "three hundred seventy-eight million, three hundred seven thousand, six hundred eighty-three".