2421117087 has 4 divisors (see below), whose sum is σ = 3228156120. Its totient is φ = 1614078056.

The previous prime is 2421117079. The next prime is 2421117131. The reversal of 2421117087 is 7807111242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421117087 - 2³ = 2421117079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421117487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403519512 + ... + 403519517.

It is an arithmetic number, because the mean of its divisors is an integer number (807039030).

Almost surely, 2^2421117087 is an apocalyptic number.

2421117087 is a deficient number, since it is larger than the sum of its proper divisors (807039033).

2421117087 is an equidigital number, since it uses as much as digits as its factorization.

2421117087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807039032.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 2421117087 is about 49204.8482062489. The cubic root of 2421117087 is about 1342.7812374053.

The spelling of 2421117087 in words is "two billion, four hundred twenty-one million, one hundred seventeen thousand, eighty-seven".