48128978 has 8 divisors (see below), whose sum is σ = 72653772. Its totient is φ = 23911056.

The previous prime is 48128959. The next prime is 48129013. The reversal of 48128978 is 87982184.

It can be written as a sum of positive squares in 2 ways, for example, as 47844889 + 284089 = 6917^2 + 533^2 .

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, 76325 + ... + 76952.

Almost surely, 2^48128978 is an apocalyptic number.

48128978 is a deficient number, since it is larger than the sum of its proper divisors (24524794).

48128978 is a wasteful number, since it uses less digits than its factorization.

48128978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153436.

The product of its digits is 258048, while the sum is 47.

The square root of 48128978 is about 6937.5051711692. The cubic root of 48128978 is about 363.7493393626.

The spelling of 48128978 in words is "forty-eight million, one hundred twenty-eight thousand, nine hundred seventy-eight".