99022381877 has 4 divisors (see below), whose sum is σ = 99023339436. Its totient is φ = 99021424320.

The previous prime is 99022381837. The next prime is 99022381889. The reversal of 99022381877 is 77818322099.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 91499595121 + 7522786756 = 302489^2 + 86734^2 .

It is a cyclic number.

It is not a de Polignac number, because 99022381877 - 2¹⁸ = 99022119733 is a prime.

It is a super-2 number, since 2×99022381877² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99022381837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301874 + ... + 537747.

It is an arithmetic number, because the mean of its divisors is an integer number (24755834859).

Almost surely, 2^99022381877 is an apocalyptic number.

It is an amenable number.

99022381877 is a deficient number, since it is larger than the sum of its proper divisors (957559).

99022381877 is a wasteful number, since it uses less digits than its factorization.

99022381877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957558.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 99022381877 in words is "ninety-nine billion, twenty-two million, three hundred eighty-one thousand, eight hundred seventy-seven".