47545505878 has 8 divisors (see below), whose sum is σ = 76804278768. Its totient is φ = 21944079624.

The previous prime is 47545505867. The next prime is 47545505879. The reversal of 47545505878 is 87850554574.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47545505879) by changing a digit.

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, 914336626 + ... + 914336677.

It is an arithmetic number, because the mean of its divisors is an integer number (9600534846).

Almost surely, 2^47545505878 is an apocalyptic number.

47545505878 is a deficient number, since it is larger than the sum of its proper divisors (29258772890).

47545505878 is a wasteful number, since it uses less digits than its factorization.

47545505878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828673318.

The product of its (nonzero) digits is 31360000, while the sum is 58.

The spelling of 47545505878 in words is "forty-seven billion, five hundred forty-five million, five hundred five thousand, eight hundred seventy-eight".