378958856247 has 24 divisors (see below), whose sum is σ = 557975029248. Its totient is φ = 247756017600.

The previous prime is 378958856233. The next prime is 378958856249. The reversal of 378958856247 is 742658859873.

378958856247 is a `hidden beast` number, since 3 + 7 + 8 + 9 + 58 + 8 + 562 + 4 + 7 = 666.

It is not a de Polignac number, because 378958856247 - 2⁴ = 378958856231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378958856249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 835722 + ... + 1206792.

It is an arithmetic number, because the mean of its divisors is an integer number (23248959552).

Almost surely, 2^378958856247 is an apocalyptic number.

378958856247 is a deficient number, since it is larger than the sum of its proper divisors (179016173001).

378958856247 is a wasteful number, since it uses less digits than its factorization.

378958856247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373271 (or 373268 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 378958856247 in words is "three hundred seventy-eight billion, nine hundred fifty-eight million, eight hundred fifty-six thousand, two hundred forty-seven".