378996863 has 16 divisors (see below), whose sum is σ = 437643264. Its totient is φ = 321494400.

The previous prime is 378996851. The next prime is 378996869. The reversal of 378996863 is 368699873.

It is a cyclic number.

It is not a de Polignac number, because 378996863 - 2²⁰ = 377948287 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 (378996869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387431 + ... + 388407.

It is an arithmetic number, because the mean of its divisors is an integer number (27352704).

Almost surely, 2^378996863 is an apocalyptic number.

378996863 is a deficient number, since it is larger than the sum of its proper divisors (58646401).

378996863 is a wasteful number, since it uses less digits than its factorization.

378996863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its digits is 11757312, while the sum is 59.

The square root of 378996863 is about 19467.8417653319. The cubic root of 378996863 is about 723.6777249416.

The spelling of 378996863 in words is "three hundred seventy-eight million, nine hundred ninety-six thousand, eight hundred sixty-three".