378929177983 has 4 divisors (see below), whose sum is σ = 378933489648. Its totient is φ = 378924866320.

The previous prime is 378929177969. The next prime is 378929178029. The reversal of 378929177983 is 389771929873.

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-378929177983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378929177903) 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, 2021203 + ... + 2200708.

It is an arithmetic number, because the mean of its divisors is an integer number (94733372412).

Almost surely, 2^378929177983 is an apocalyptic number.

378929177983 is a deficient number, since it is larger than the sum of its proper divisors (4311665).

378929177983 is an equidigital number, since it uses as much as digits as its factorization.

378929177983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311664.

The product of its digits is 288054144, while the sum is 73.

The spelling of 378929177983 in words is "three hundred seventy-eight billion, nine hundred twenty-nine million, one hundred seventy-seven thousand, nine hundred eighty-three".