48278978 has 16 divisors (see below), whose sum is σ = 82437696. Its totient is φ = 20990640.

The previous prime is 48278977. The next prime is 48278983. The reversal of 48278978 is 87987284.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48278977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47201 + ... + 48212.

It is an arithmetic number, because the mean of its divisors is an integer number (5152356).

Almost surely, 2^48278978 is an apocalyptic number.

48278978 is a deficient number, since it is larger than the sum of its proper divisors (34158718).

48278978 is a wasteful number, since it uses less digits than its factorization.

48278978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95449.

The product of its digits is 1806336, while the sum is 53.

The square root of 48278978 is about 6948.3075637165. The cubic root of 48278978 is about 364.1268376155.

The spelling of 48278978 in words is "forty-eight million, two hundred seventy-eight thousand, nine hundred seventy-eight".