8791740087 has 16 divisors (see below), whose sum is σ = 13172909568. Its totient is φ = 5175070560.

The previous prime is 8791740029. The next prime is 8791740091. The reversal of 8791740087 is 7800471978.

It is not a de Polignac number, because 8791740087 - 2¹⁰ = 8791739063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8791740187) 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, 4899739 + ... + 4901532.

It is an arithmetic number, because the mean of its divisors is an integer number (823306848).

Almost surely, 2^8791740087 is an apocalyptic number.

8791740087 is a deficient number, since it is larger than the sum of its proper divisors (4381169481).

8791740087 is a wasteful number, since it uses less digits than its factorization.

8791740087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801310.

The product of its (nonzero) digits is 790272, while the sum is 51.

The square root of 8791740087 is about 93764.2793765302. The cubic root of 8791740087 is about 2063.9140784064.

The spelling of 8791740087 in words is "eight billion, seven hundred ninety-one million, seven hundred forty thousand, eighty-seven".