487611638848633 has 8 divisors (see below), whose sum is σ = 527373961333128. Its totient is φ = 448171278489984.

The previous prime is 487611638848573. The next prime is 487611638848681. The reversal of 487611638848633 is 336848836116784.

It can be written as a sum of positive squares in 4 ways, for example, as 520868210944 + 487090770637689 = 721712^2 + 22070133^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 487611638848633 - 2¹³ = 487611638840441 is a prime.

It is a super-2 number, since 2×487611638848633² (a number of 30 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 487611638848633.

It is not an unprimeable number, because it can be changed into a prime (487611638878633) 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, 80490528310 + ... + 80490534367.

It is an arithmetic number, because the mean of its divisors is an integer number (65921745166641).

Almost surely, 2^{487611638848633} is an apocalyptic number.

It is an amenable number.

487611638848633 is a deficient number, since it is larger than the sum of its proper divisors (39762322484495).

487611638848633 is a wasteful number, since it uses less digits than its factorization.

487611638848633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160981062923.

The product of its digits is 2675441664, while the sum is 76.

The spelling of 487611638848633 in words is "four hundred eighty-seven trillion, six hundred eleven billion, six hundred thirty-eight million, eight hundred forty-eight thousand, six hundred thirty-three".