5187142587 has 16 divisors (see below), whose sum is σ = 7607295360. Its totient is φ = 3143720360.

The previous prime is 5187142537. The next prime is 5187142619. The reversal of 5187142587 is 7852417815.

It is a de Polignac number, because none of the positive numbers 2^k-5187142587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5187142537) 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, 645537 + ... + 653522.

It is an arithmetic number, because the mean of its divisors is an integer number (475455960).

Almost surely, 2^5187142587 is an apocalyptic number.

5187142587 is a deficient number, since it is larger than the sum of its proper divisors (2420152773).

5187142587 is a wasteful number, since it uses less digits than its factorization.

5187142587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299095 (or 1299073 counting only the distinct ones).

The product of its digits is 627200, while the sum is 48.

The square root of 5187142587 is about 72021.8202144322. The cubic root of 5187142587 is about 1731.0491355417.

The spelling of 5187142587 in words is "five billion, one hundred eighty-seven million, one hundred forty-two thousand, five hundred eighty-seven".