2987866500 has 48 divisors (see below), whose sum is σ = 8700671616. Its totient is φ = 796764000.

The previous prime is 2987866499. The next prime is 2987866507. The reversal of 2987866500 is 56687892.

It is not an unprimeable number, because it can be changed into a prime (2987866507) 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, 994456 + ... + 997455.

It is an arithmetic number, because the mean of its divisors is an integer number (181263992).

Almost surely, 2^2987866500 is an apocalyptic number.

2987866500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2987866500 is an abundant number, since it is smaller than the sum of its proper divisors (5712805116).

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

2987866500 is a wasteful number, since it uses less digits than its factorization.

2987866500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991933 (or 1991921 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 2987866500 is about 54661.3803338335. The cubic root of 2987866500 is about 1440.3025502402.

The spelling of 2987866500 in words is "two billion, nine hundred eighty-seven million, eight hundred sixty-six thousand, five hundred".