378883879 has 16 divisors (see below), whose sum is σ = 447828480. Its totient is φ = 316632960.

The previous prime is 378883877. The next prime is 378883889. The reversal of 378883879 is 978388873.

It is a cyclic number.

It is not a de Polignac number, because 378883879 - 2¹ = 378883877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378883877) 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, 15519 + ... + 31600.

It is an arithmetic number, because the mean of its divisors is an integer number (27989280).

Almost surely, 2^378883879 is an apocalyptic number.

378883879 is a deficient number, since it is larger than the sum of its proper divisors (68944601).

378883879 is a wasteful number, since it uses less digits than its factorization.

378883879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47190.

The product of its digits is 16257024, while the sum is 61.

The square root of 378883879 is about 19464.9397378980. The cubic root of 378883879 is about 723.6058051463.

The spelling of 378883879 in words is "three hundred seventy-eight million, eight hundred eighty-three thousand, eight hundred seventy-nine".