5105978 has 8 divisors (see below), whose sum is σ = 7788960. Its totient is φ = 2509660.

The previous prime is 5105957. The next prime is 5105981. The reversal of 5105978 is 8795015.

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

It is a super-2 number, since 2×5105978² = 52142022672968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21518 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (973620).

Almost surely, 2^5105978 is an apocalyptic number.

5105978 is a deficient number, since it is larger than the sum of its proper divisors (2682982).

5105978 is a wasteful number, since it uses less digits than its factorization.

5105978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43332.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 5105978 is about 2259.6411219484. The cubic root of 5105978 is about 172.1972902900.

The spelling of 5105978 in words is "five million, one hundred five thousand, nine hundred seventy-eight".