47720638119 has 96 divisors (see below), whose sum is σ = 83624067072. Its totient is φ = 23649595200.

The previous prime is 47720638117. The next prime is 47720638159. The reversal of 47720638119 is 91183602774.

It is a happy number.

It is not a de Polignac number, because 47720638119 - 2¹ = 47720638117 is a prime.

It is a super-2 number, since 2×47720638119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47720638117) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28694682 + ... + 28696344.

It is an arithmetic number, because the mean of its divisors is an integer number (871084032).

Almost surely, 2^47720638119 is an apocalyptic number.

47720638119 is a deficient number, since it is larger than the sum of its proper divisors (35903428953).

47720638119 is a wasteful number, since it uses less digits than its factorization.

47720638119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 47720638119 in words is "forty-seven billion, seven hundred twenty million, six hundred thirty-eight thousand, one hundred nineteen".