47782450731 has 16 divisors (see below), whose sum is σ = 64080838656. Its totient is φ = 31670049216.

The previous prime is 47782450699. The next prime is 47782450739. The reversal of 47782450731 is 13705428774.

It is not a de Polignac number, because 47782450731 - 2⁵ = 47782450699 is a prime.

It is a super-2 number, since 2×47782450731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47782450739) 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, 293206 + ... + 426068.

It is an arithmetic number, because the mean of its divisors is an integer number (4005052416).

Almost surely, 2^47782450731 is an apocalyptic number.

47782450731 is a deficient number, since it is larger than the sum of its proper divisors (16298387925).

47782450731 is a wasteful number, since it uses less digits than its factorization.

47782450731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133562.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 47782450731 in words is "forty-seven billion, seven hundred eighty-two million, four hundred fifty thousand, seven hundred thirty-one".