47708114778 has 64 divisors (see below), whose sum is σ = 107599000320. Its totient is φ = 15667255296.

The previous prime is 47708114743. The next prime is 47708114819. The reversal of 47708114778 is 87741180774.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 995626 + ... + 1042442.

It is an arithmetic number, because the mean of its divisors is an integer number (1681234380).

Almost surely, 2^47708114778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47708114778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53799500160).

47708114778 is an abundant number, since it is smaller than the sum of its proper divisors (59890885542).

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

47708114778 is a wasteful number, since it uses less digits than its factorization.

47708114778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47108 (or 47102 counting only the distinct ones).

The product of its (nonzero) digits is 2458624, while the sum is 54.

The spelling of 47708114778 in words is "forty-seven billion, seven hundred eight million, one hundred fourteen thousand, seven hundred seventy-eight".