8018799557 has 8 divisors (see below), whose sum is σ = 8571528000. Its totient is φ = 7483078240.

The previous prime is 8018799553. The next prime is 8018799571. The reversal of 8018799557 is 7559978108.

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 8018799557 - 2² = 8018799553 is a prime.

It is a super-2 number, since 2×8018799557² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8018799496 and 8018799505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018799553) 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, 4250807 + ... + 4252692.

It is an arithmetic number, because the mean of its divisors is an integer number (1071441000).

Almost surely, 2^8018799557 is an apocalyptic number.

It is an amenable number.

8018799557 is a deficient number, since it is larger than the sum of its proper divisors (552728443).

8018799557 is a wasteful number, since it uses less digits than its factorization.

8018799557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503563.

The product of its (nonzero) digits is 6350400, while the sum is 59.

The square root of 8018799557 is about 89547.7501504086. The cubic root of 8018799557 is about 2001.5654041852.

The spelling of 8018799557 in words is "eight billion, eighteen million, seven hundred ninety-nine thousand, five hundred fifty-seven".