99100639874 has 8 divisors (see below), whose sum is σ = 149421172620. Its totient is φ = 49293582336.

The previous prime is 99100639871. The next prime is 99100639889. The reversal of 99100639874 is 47893600199.

It can be written as a sum of positive squares in 2 ways, for example, as 85648119649 + 13452520225 = 292657^2 + 115985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (99100639871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128368319 + ... + 128369090.

Almost surely, 2^99100639874 is an apocalyptic number.

99100639874 is a deficient number, since it is larger than the sum of its proper divisors (50320532746).

99100639874 is a wasteful number, since it uses less digits than its factorization.

99100639874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256737604.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 99100639874 in words is "ninety-nine billion, one hundred million, six hundred thirty-nine thousand, eight hundred seventy-four".