8788740091 has 4 divisors (see below), whose sum is σ = 8788985352. Its totient is φ = 8788494832.

The previous prime is 8788740067. The next prime is 8788740097. The reversal of 8788740091 is 1900478878.

8788740091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8788740091 - 2⁷ = 8788739963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8788740097) 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, 57265 + ... + 144418.

It is an arithmetic number, because the mean of its divisors is an integer number (2197246338).

Almost surely, 2^8788740091 is an apocalyptic number.

8788740091 is a deficient number, since it is larger than the sum of its proper divisors (245261).

8788740091 is a wasteful number, since it uses less digits than its factorization.

8788740091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245260.

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 8788740091 is about 93748.2804695638. The cubic root of 8788740091 is about 2063.6792959735.

The spelling of 8788740091 in words is "eight billion, seven hundred eighty-eight million, seven hundred forty thousand, ninety-one".