47794018878 has 24 divisors (see below), whose sum is σ = 103560451488. Its totient is φ = 15930302112.

The previous prime is 47794018849. The next prime is 47794018879. The reversal of 47794018878 is 87881049774.

47794018878 is a `hidden beast` number, since 477 + 94 + 0 + 1 + 8 + 8 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47794018879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228651 + ... + 384537.

It is an arithmetic number, because the mean of its divisors is an integer number (4315018812).

Almost surely, 2^47794018878 is an apocalyptic number.

47794018878 is an abundant number, since it is smaller than the sum of its proper divisors (55766432610).

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

47794018878 is a wasteful number, since it uses less digits than its factorization.

47794018878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172928 (or 172925 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 63.

The spelling of 47794018878 in words is "forty-seven billion, seven hundred ninety-four million, eighteen thousand, eight hundred seventy-eight".