48900978 has 48 divisors (see below), whose sum is σ = 121882176. Its totient is φ = 13880160.

The previous prime is 48900977. The next prime is 48900983. The reversal of 48900978 is 87900984.

It is not an unprimeable number, because it can be changed into a prime (48900977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19348 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (2539212).

Almost surely, 2^48900978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48900978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60941088).

48900978 is an abundant number, since it is smaller than the sum of its proper divisors (72981198).

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

48900978 is a wasteful number, since it uses less digits than its factorization.

48900978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 48900978 is about 6992.9234230041. The cubic root of 48900978 is about 365.6839069673.

The spelling of 48900978 in words is "forty-eight million, nine hundred thousand, nine hundred seventy-eight".