378912583 has 4 divisors (see below), whose sum is σ = 433042960. Its totient is φ = 324782208.

The previous prime is 378912577. The next prime is 378912607. The reversal of 378912583 is 385219873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378912583 - 2⁵ = 378912551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378912503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27065178 + ... + 27065191.

It is an arithmetic number, because the mean of its divisors is an integer number (108260740).

Almost surely, 2^378912583 is an apocalyptic number.

378912583 is a deficient number, since it is larger than the sum of its proper divisors (54130377).

378912583 is an equidigital number, since it uses as much as digits as its factorization.

378912583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54130376.

The product of its digits is 362880, while the sum is 46.

The square root of 378912583 is about 19465.6770496174. The cubic root of 378912583 is about 723.6240779890.

The spelling of 378912583 in words is "three hundred seventy-eight million, nine hundred twelve thousand, five hundred eighty-three".