47877747378 has 8 divisors (see below), whose sum is σ = 95755494768. Its totient is φ = 15959249124.

The previous prime is 47877747367. The next prime is 47877747389. The reversal of 47877747378 is 87374777874.

It is an interprime number because it is at equal distance from previous prime (47877747367) and next prime (47877747389).

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

47877747378 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 3989812276 + ... + 3989812287.

It is an arithmetic number, because the mean of its divisors is an integer number (11969436846).

Almost surely, 2^47877747378 is an apocalyptic number.

47877747378 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.

47877747378 is a wasteful number, since it uses less digits than its factorization.

47877747378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979624568.

The product of its digits is 361417728, while the sum is 69.

The spelling of 47877747378 in words is "forty-seven billion, eight hundred seventy-seven million, seven hundred forty-seven thousand, three hundred seventy-eight".