47517748377 has 16 divisors (see below), whose sum is σ = 69120387840. Its totient is φ = 28797109200.

The previous prime is 47517748351. The next prime is 47517748379. The reversal of 47517748377 is 77384771574.

It is a happy number.

It is not a de Polignac number, because 47517748377 - 2⁸ = 47517748121 is a prime.

It is a super-2 number, since 2×47517748377² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47517748377.

It is not an unprimeable number, because it can be changed into a prime (47517748379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106574 + ... + 1148712.

It is an arithmetic number, because the mean of its divisors is an integer number (4320024240).

Almost surely, 2^47517748377 is an apocalyptic number.

It is an amenable number.

47517748377 is a deficient number, since it is larger than the sum of its proper divisors (21602639463).

47517748377 is a wasteful number, since it uses less digits than its factorization.

47517748377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76324.

The product of its digits is 32269440, while the sum is 60.

The spelling of 47517748377 in words is "forty-seven billion, five hundred seventeen million, seven hundred forty-eight thousand, three hundred seventy-seven".