2187457316 has 48 divisors (see below), whose sum is σ = 4359429312. Its totient is φ = 951523200.

The previous prime is 2187457313. The next prime is 2187457331. The reversal of 2187457316 is 6137547812.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (2187457313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88295 + ... + 110321.

It is an arithmetic number, because the mean of its divisors is an integer number (90821444).

Almost surely, 2^2187457316 is an apocalyptic number.

It is an amenable number.

2187457316 is a deficient number, since it is larger than the sum of its proper divisors (2171971996).

2187457316 is a wasteful number, since it uses less digits than its factorization.

2187457316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22140 (or 22138 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 2187457316 is about 46770.2610212943. The cubic root of 2187457316 is about 1298.1150821157.

The spelling of 2187457316 in words is "two billion, one hundred eighty-seven million, four hundred fifty-seven thousand, three hundred sixteen".