798998899897 has 8 divisors (see below), whose sum is σ = 880265215872. Its totient is φ = 719170926000.

The previous prime is 798998899861. The next prime is 798998899921.

798998899897 is nontrivially palindromic in base 10.

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 798998899897 - 2³⁹ = 249243086009 is a prime.

It is a super-2 number, since 2×798998899897² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798998899817) 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, 359584353 + ... + 359586574.

It is an arithmetic number, because the mean of its divisors is an integer number (110033151984).

Almost surely, 2^798998899897 is an apocalyptic number.

It is an amenable number.

798998899897 is a deficient number, since it is larger than the sum of its proper divisors (81266315975).

798998899897 is a wasteful number, since it uses less digits than its factorization.

798998899897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719171039.

The product of its digits is 106662334464, while the sum is 100.

The spelling of 798998899897 in words is "seven hundred ninety-eight billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, eight hundred ninety-seven".