5087791986 has 16 divisors (see below), whose sum is σ = 10342397568. Its totient is φ = 1668128400.

The previous prime is 5087791979. The next prime is 5087791991. The reversal of 5087791986 is 6891977805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6950170 + ... + 6950901.

It is an arithmetic number, because the mean of its divisors is an integer number (646399848).

Almost surely, 2^5087791986 is an apocalyptic number.

5087791986 is an abundant number, since it is smaller than the sum of its proper divisors (5254605582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5087791986 is a wasteful number, since it uses less digits than its factorization.

5087791986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901137.

The product of its (nonzero) digits is 7620480, while the sum is 60.

The square root of 5087791986 is about 71328.7598798689. The cubic root of 5087791986 is about 1719.9260814186.

The spelling of 5087791986 in words is "five billion, eighty-seven million, seven hundred ninety-one thousand, nine hundred eighty-six".