2487899986 has 32 divisors (see below), whose sum is σ = 4642178688. Its totient is φ = 982467840.

The previous prime is 2487899983. The next prime is 2487899987. The reversal of 2487899986 is 6899987842.

It is not an unprimeable number, because it can be changed into a prime (2487899983) 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, 250990 + ... + 260713.

It is an arithmetic number, because the mean of its divisors is an integer number (145068084).

Almost surely, 2^2487899986 is an apocalyptic number.

2487899986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2487899986 is a deficient number, since it is larger than the sum of its proper divisors (2154278702).

2487899986 is a wasteful number, since it uses less digits than its factorization.

2487899986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511746.

The product of its digits is 125411328, while the sum is 70.

The square root of 2487899986 is about 49878.8530942723. The cubic root of 2487899986 is about 1355.0156334121.

The spelling of 2487899986 in words is "two billion, four hundred eighty-seven million, eight hundred ninety-nine thousand, nine hundred eighty-six".