99998882 has 4 divisors (see below), whose sum is σ = 149998326. Its totient is φ = 49999440.

The previous prime is 99998869. The next prime is 99998891. The reversal of 99998882 is 28889999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50282281 + 49716601 = 7091^2 + 7051^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999719 + ... + 24999722.

Almost surely, 2^99998882 is an apocalyptic number.

99998882 is a deficient number, since it is larger than the sum of its proper divisors (49999444).

99998882 is a wasteful number, since it uses less digits than its factorization.

99998882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49999443.

The product of its digits is 6718464, while the sum is 62.

The square root of 99998882 is about 9999.9440998438. The cubic root of 99998882 is about 464.1571535894.

It can be divided in two parts, 9999 and 8882, that added together give a palindrome (18881).

The spelling of 99998882 in words is "ninety-nine million, nine hundred ninety-eight thousand, eight hundred eighty-two".