8001772099 has 2 divisors, whose sum is σ = 8001772100. Its totient is φ = 8001772098.

The previous prime is 8001772027. The next prime is 8001772171. The reversal of 8001772099 is 9902771008.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8001772027) and next prime (8001772171).

It is a cyclic number.

It is not a de Polignac number, because 8001772099 - 2¹³ = 8001763907 is a prime.

It is not a weakly prime, because it can be changed into another prime (8001772199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000886049 + 4000886050.

It is an arithmetic number, because the mean of its divisors is an integer number (4000886050).

Almost surely, 2^8001772099 is an apocalyptic number.

8001772099 is a deficient number, since it is larger than the sum of its proper divisors (1).

8001772099 is an equidigital number, since it uses as much as digits as its factorization.

8001772099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 8001772099 is about 89452.6248860256. The cubic root of 8001772099 is about 2000.1476640141.

The spelling of 8001772099 in words is "eight billion, one million, seven hundred seventy-two thousand, ninety-nine".