378657777052 has 6 divisors (see below), whose sum is σ = 662651109848. Its totient is φ = 189328888524.

The previous prime is 378657777041. The next prime is 378657777059. The reversal of 378657777052 is 250777756873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378657777059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47332222128 + ... + 47332222135.

Almost surely, 2^378657777052 is an apocalyptic number.

It is an amenable number.

378657777052 is a deficient number, since it is larger than the sum of its proper divisors (283993332796).

378657777052 is a wasteful number, since it uses less digits than its factorization.

378657777052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94664444267 (or 94664444265 counting only the distinct ones).

The product of its (nonzero) digits is 121010400, while the sum is 64.

The spelling of 378657777052 in words is "three hundred seventy-eight billion, six hundred fifty-seven million, seven hundred seventy-seven thousand, fifty-two".