378389432277 has 24 divisors (see below), whose sum is σ = 559385702304. Its totient is φ = 246343585824.

The previous prime is 378389432261. The next prime is 378389432279. The reversal of 378389432277 is 772234983873.

378389432277 is a `hidden beast` number, since 378 + 38 + 9 + 4 + 3 + 227 + 7 = 666.

It is not a de Polignac number, because 378389432277 - 2⁴ = 378389432261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378389432279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1880683 + ... + 2072135.

It is an arithmetic number, because the mean of its divisors is an integer number (23307737596).

Almost surely, 2^378389432277 is an apocalyptic number.

It is an amenable number.

378389432277 is a deficient number, since it is larger than the sum of its proper divisors (180996270027).

378389432277 is a wasteful number, since it uses less digits than its factorization.

378389432277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196609 (or 196606 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 63.

The spelling of 378389432277 in words is "three hundred seventy-eight billion, three hundred eighty-nine million, four hundred thirty-two thousand, two hundred seventy-seven".