99989586122 has 8 divisors (see below), whose sum is σ = 151311674916. Its totient is φ = 49552361152.

The previous prime is 99989586121. The next prime is 99989586131. The reversal of 99989586122 is 22168598999.

It can be written as a sum of positive squares in 2 ways, for example, as 99981807601 + 7778521 = 316199^2 + 2789^2 .

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 (99989586121) 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, 221215673 + ... + 221216124.

Almost surely, 2^99989586122 is an apocalyptic number.

99989586122 is a deficient number, since it is larger than the sum of its proper divisors (51322088794).

99989586122 is a wasteful number, since it uses less digits than its factorization.

99989586122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442431912.

The product of its digits is 50388480, while the sum is 68.

The spelling of 99989586122 in words is "ninety-nine billion, nine hundred eighty-nine million, five hundred eighty-six thousand, one hundred twenty-two".