48978 has 16 divisors (see below), whose sum is σ = 108960. Its totient is φ = 16308.

The previous prime is 48973. The next prime is 48989. The reversal of 48978 is 87984.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 48978.

It is not an unprimeable number, because it can be changed into a prime (48973) 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, 400 + ... + 507.

It is an arithmetic number, because the mean of its divisors is an integer number (6810).

2⁴⁸⁹⁷⁸ is an apocalyptic number.

48978 is an abundant number, since it is smaller than the sum of its proper divisors (59982).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54480).

48978 is a wasteful number, since it uses less digits than its factorization.

48978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 912 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 48978 is about 221.3097376981. The cubic root of 48978 is about 36.5875797685.

The spelling of 48978 in words is "forty-eight thousand, nine hundred seventy-eight".