378997483 has 4 divisors (see below), whose sum is σ = 379630800. Its totient is φ = 378364168.

The previous prime is 378997477. The next prime is 378997513. The reversal of 378997483 is 384799873.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378997483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378997403) 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, 315760 + ... + 316957.

It is an arithmetic number, because the mean of its divisors is an integer number (94907700).

Almost surely, 2^378997483 is an apocalyptic number.

378997483 is a deficient number, since it is larger than the sum of its proper divisors (633317).

378997483 is an equidigital number, since it uses as much as digits as its factorization.

378997483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633316.

The product of its digits is 9144576, while the sum is 58.

The square root of 378997483 is about 19467.8576890217. The cubic root of 378997483 is about 723.6781195622.

The spelling of 378997483 in words is "three hundred seventy-eight million, nine hundred ninety-seven thousand, four hundred eighty-three".