47879481850 has 48 divisors (see below), whose sum is σ = 93188653848. Its totient is φ = 18282551040.

The previous prime is 47879481827. The next prime is 47879481857. The reversal of 47879481850 is 5818497874.

It can be written as a sum of positive squares in 12 ways, for example, as 15868188961 + 32011292889 = 125969^2 + 178917^2 .

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47879481857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146109 + ... + 342208.

Almost surely, 2^47879481850 is an apocalyptic number.

47879481850 is a deficient number, since it is larger than the sum of its proper divisors (45309171998).

47879481850 is a wasteful number, since it uses less digits than its factorization.

47879481850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488419 (or 488414 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 47879481850 in words is "forty-seven billion, eight hundred seventy-nine million, four hundred eighty-one thousand, eight hundred fifty".