5998512687 has 4 divisors (see below), whose sum is σ = 7998016920. Its totient is φ = 3999008456.

The previous prime is 5998512683. The next prime is 5998512697. The reversal of 5998512687 is 7862158995.

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 5998512687 - 2² = 5998512683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5998512687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5998512683) 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, 999752112 + ... + 999752117.

It is an arithmetic number, because the mean of its divisors is an integer number (1999504230).

Almost surely, 2^5998512687 is an apocalyptic number.

5998512687 is a deficient number, since it is larger than the sum of its proper divisors (1999504233).

5998512687 is a wasteful number, since it uses less digits than its factorization.

5998512687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999504232.

The product of its digits is 10886400, while the sum is 60.

The square root of 5998512687 is about 77450.0657649818. The cubic root of 5998512687 is about 1816.9704344752.

The spelling of 5998512687 in words is "five billion, nine hundred ninety-eight million, five hundred twelve thousand, six hundred eighty-seven".