487065839721 has 8 divisors (see below), whose sum is σ = 649918004064. Its totient is φ = 324462117600.

The previous prime is 487065839719. The next prime is 487065839753. The reversal of 487065839721 is 127938560784.

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

It is not a de Polignac number, because 487065839721 - 2¹ = 487065839719 is a prime.

It is a super-2 number, since 2×487065839721² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (487065839761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62105980 + ... + 62113821.

It is an arithmetic number, because the mean of its divisors is an integer number (81239750508).

It is a 1-persistent number, because it is pandigital, but 2⋅487065839721 = 974131679442 is not.

Almost surely, 2^487065839721 is an apocalyptic number.

It is an amenable number.

487065839721 is a deficient number, since it is larger than the sum of its proper divisors (162852164343).

487065839721 is a wasteful number, since it uses less digits than its factorization.

487065839721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124221111.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 487065839721 in words is "four hundred eighty-seven billion, sixty-five million, eight hundred thirty-nine thousand, seven hundred twenty-one".