378208838377 has 4 divisors (see below), whose sum is σ = 378251732880. Its totient is φ = 378165943876.

The previous prime is 378208838341. The next prime is 378208838417. The reversal of 378208838377 is 773838802873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378208838377 - 2¹¹ = 378208836329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378208838177) 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, 21434023 + ... + 21451660.

It is an arithmetic number, because the mean of its divisors is an integer number (94562933220).

Almost surely, 2^378208838377 is an apocalyptic number.

It is an amenable number.

378208838377 is a deficient number, since it is larger than the sum of its proper divisors (42894503).

378208838377 is an equidigital number, since it uses as much as digits as its factorization.

378208838377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42894502.

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 378208838377 in words is "three hundred seventy-eight billion, two hundred eight million, eight hundred thirty-eight thousand, three hundred seventy-seven".