48138046878 has 16 divisors (see below), whose sum is σ = 98878150800. Its totient is φ = 15612339456.

The previous prime is 48138046877. The next prime is 48138046897. The reversal of 48138046878 is 87864083184.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48138046871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108418803 + ... + 108419246.

It is an arithmetic number, because the mean of its divisors is an integer number (6179884425).

Almost surely, 2^48138046878 is an apocalyptic number.

48138046878 is an abundant number, since it is smaller than the sum of its proper divisors (50740103922).

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

48138046878 is a wasteful number, since it uses less digits than its factorization.

48138046878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216838091.

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 48138046878 in words is "forty-eight billion, one hundred thirty-eight million, forty-six thousand, eight hundred seventy-eight".