47878838875 has 16 divisors (see below), whose sum is σ = 68288905152. Its totient is φ = 32831203200.

The previous prime is 47878838857. The next prime is 47878838893. The reversal of 47878838875 is 57883887874.

It is an interprime number because it is at equal distance from previous prime (47878838857) and next prime (47878838893).

It is not a de Polignac number, because 47878838875 - 2⁷ = 47878838747 is a prime.

It is a super-2 number, since 2×47878838875² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47878838798 and 47878838807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27358462 + ... + 27360211.

It is an arithmetic number, because the mean of its divisors is an integer number (4268056572).

Almost surely, 2^47878838875 is an apocalyptic number.

47878838875 is a deficient number, since it is larger than the sum of its proper divisors (20410066277).

47878838875 is an equidigital number, since it uses as much as digits as its factorization.

47878838875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54718695 (or 54718685 counting only the distinct ones).

The product of its digits is 674365440, while the sum is 73.

The spelling of 47878838875 in words is "forty-seven billion, eight hundred seventy-eight million, eight hundred thirty-eight thousand, eight hundred seventy-five".