99127559805 has 16 divisors (see below), whose sum is σ = 158620529664. Its totient is φ = 52862553920.

The previous prime is 99127559761. The next prime is 99127559807. The reversal of 99127559805 is 50895572199.

It is not a de Polignac number, because 99127559805 - 2¹³ = 99127551613 is a prime.

It is a super-2 number, since 2×99127559805² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99127559807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190614 + ... + 484343.

It is an arithmetic number, because the mean of its divisors is an integer number (9913783104).

Almost surely, 2^99127559805 is an apocalyptic number.

It is an amenable number.

99127559805 is a deficient number, since it is larger than the sum of its proper divisors (59492969859).

99127559805 is a wasteful number, since it uses less digits than its factorization.

99127559805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684756.

The product of its (nonzero) digits is 10206000, while the sum is 60.

The spelling of 99127559805 in words is "ninety-nine billion, one hundred twenty-seven million, five hundred fifty-nine thousand, eight hundred five".