378877 has 4 divisors (see below), whose sum is σ = 380800. Its totient is φ = 376956.

The previous prime is 378869. The next prime is 378883. The reversal of 378877 is 778873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378877 - 2³ = 378869 is a prime.

It is a super-2 number, since 2×378877² = 287095562258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (95200).

2³⁷⁸⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

378877 is a deficient number, since it is larger than the sum of its proper divisors (1923).

378877 is a wasteful number, since it uses less digits than its factorization.

378877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its digits is 65856, while the sum is 40.

The square root of 378877 is about 615.5298530534. The cubic root of 378877 is about 72.3601425867.

The spelling of 378877 in words is "three hundred seventy-eight thousand, eight hundred seventy-seven".