8081292287 has 8 divisors (see below), whose sum is σ = 8508451200. Its totient is φ = 7654316184.

The previous prime is 8081292277. The next prime is 8081292343. The reversal of 8081292287 is 7822921808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8081292287 - 2⁶ = 8081292223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081292217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50228 + ... + 136694.

It is an arithmetic number, because the mean of its divisors is an integer number (1063556400).

Almost surely, 2^8081292287 is an apocalyptic number.

8081292287 is a deficient number, since it is larger than the sum of its proper divisors (427158913).

8081292287 is a wasteful number, since it uses less digits than its factorization.

8081292287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91405.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 8081292287 is about 89896.0081816762. The cubic root of 8081292287 is about 2006.7515399576.

The spelling of 8081292287 in words is "eight billion, eighty-one million, two hundred ninety-two thousand, two hundred eighty-seven".