5997878 has 4 divisors (see below), whose sum is σ = 8996820. Its totient is φ = 2998938.

The previous prime is 5997877. The next prime is 5997883. The reversal of 5997878 is 8787995.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5997877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499468 + ... + 1499471.

It is an arithmetic number, because the mean of its divisors is an integer number (2249205).

Almost surely, 2^5997878 is an apocalyptic number.

5997878 is a deficient number, since it is larger than the sum of its proper divisors (2998942).

5997878 is a wasteful number, since it uses less digits than its factorization.

5997878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998941.

The product of its digits is 1270080, while the sum is 53.

The square root of 5997878 is about 2449.0565530424. The cubic root of 5997878 is about 181.6906349246.

The spelling of 5997878 in words is "five million, nine hundred ninety-seven thousand, eight hundred seventy-eight".