47677798878 has 8 divisors (see below), whose sum is σ = 95355597768. Its totient is φ = 15892599624.

The previous prime is 47677798877. The next prime is 47677798879. The reversal of 47677798878 is 87889777674.

It is an interprime number because it is at equal distance from previous prime (47677798877) and next prime (47677798879).

It is a sphenic number, since it is the product of 3 distinct primes.

47677798878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47677798877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973149901 + ... + 3973149912.

It is an arithmetic number, because the mean of its divisors is an integer number (11919449721).

Almost surely, 2^47677798878 is an apocalyptic number.

47677798878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47677798878 is a wasteful number, since it uses less digits than its factorization.

47677798878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946299818.

The product of its digits is 1858719744, while the sum is 78.

The spelling of 47677798878 in words is "forty-seven billion, six hundred seventy-seven million, seven hundred ninety-eight thousand, eight hundred seventy-eight".