48139778982 has 16 divisors (see below), whose sum is σ = 101346903360. Its totient is φ = 15202035432.

The previous prime is 48139778927. The next prime is 48139778993. The reversal of 48139778982 is 28987793184.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211139268 + ... + 211139495.

It is an arithmetic number, because the mean of its divisors is an integer number (6334181460).

Almost surely, 2^48139778982 is an apocalyptic number.

48139778982 is an abundant number, since it is smaller than the sum of its proper divisors (53207124378).

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

48139778982 is a wasteful number, since it uses less digits than its factorization.

48139778982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422278787.

The product of its digits is 48771072, while the sum is 66.

The spelling of 48139778982 in words is "forty-eight billion, one hundred thirty-nine million, seven hundred seventy-eight thousand, nine hundred eighty-two".