487281115687 has 4 divisors (see below), whose sum is σ = 488533766760. Its totient is φ = 486028464616.

The previous prime is 487281115631. The next prime is 487281115693. The reversal of 487281115687 is 786511182784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487281115687 - 2¹¹ = 487281113639 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487281175687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626324953 + ... + 626325730.

It is an arithmetic number, because the mean of its divisors is an integer number (122133441690).

Almost surely, 2^487281115687 is an apocalyptic number.

487281115687 is a deficient number, since it is larger than the sum of its proper divisors (1252651073).

487281115687 is a wasteful number, since it uses less digits than its factorization.

487281115687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252651072.

The product of its digits is 6021120, while the sum is 58.

The spelling of 487281115687 in words is "four hundred eighty-seven billion, two hundred eighty-one million, one hundred fifteen thousand, six hundred eighty-seven".