5012403978 has 8 divisors (see below), whose sum is σ = 10024807968. Its totient is φ = 1670801324.

The previous prime is 5012403973. The next prime is 5012403997. The reversal of 5012403978 is 8793042105.

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

5012403978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5012403973) 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, 417700326 + ... + 417700337.

It is an arithmetic number, because the mean of its divisors is an integer number (1253100996).

Almost surely, 2^5012403978 is an apocalyptic number.

5012403978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5012403978 is a wasteful number, since it uses less digits than its factorization.

5012403978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835400668.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 5012403978 is about 70798.3331583449. Note that the first 3 decimals coincide. The cubic root of 5012403978 is about 1711.3888125777.

The spelling of 5012403978 in words is "five billion, twelve million, four hundred three thousand, nine hundred seventy-eight".