5013890978 has 8 divisors (see below), whose sum is σ = 7521389568. Its totient is φ = 2506761124.

The previous prime is 5013890953. The next prime is 5013890983. The reversal of 5013890978 is 8790983105.

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

It is a Curzon number.

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, 55226 + ... + 114357.

It is an arithmetic number, because the mean of its divisors is an integer number (940173696).

Almost surely, 2^5013890978 is an apocalyptic number.

5013890978 is a deficient number, since it is larger than the sum of its proper divisors (2507498590).

5013890978 is a wasteful number, since it uses less digits than its factorization.

5013890978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184368.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 5013890978 is about 70808.8340392638. The cubic root of 5013890978 is about 1711.5580316832.

The spelling of 5013890978 in words is "five billion, thirteen million, eight hundred ninety thousand, nine hundred seventy-eight".