5158978 has 8 divisors (see below), whose sum is σ = 8442000. Its totient is φ = 2344980.

The previous prime is 5158921. The next prime is 5158987. The reversal of 5158978 is 8798515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117228 + ... + 117271.

It is an arithmetic number, because the mean of its divisors is an integer number (1055250).

Almost surely, 2^5158978 is an apocalyptic number.

5158978 is a deficient number, since it is larger than the sum of its proper divisors (3283022).

5158978 is a wasteful number, since it uses less digits than its factorization.

5158978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234512.

The product of its digits is 100800, while the sum is 43.

The square root of 5158978 is about 2271.3383719737. The cubic root of 5158978 is about 172.7910426670.

The spelling of 5158978 in words is "five million, one hundred fifty-eight thousand, nine hundred seventy-eight".