99488661 has 4 divisors (see below), whose sum is σ = 132651552. Its totient is φ = 66325772.

The previous prime is 99488659. The next prime is 99488677. The reversal of 99488661 is 16688499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99488661 - 2¹ = 99488659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99488611) 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, 16581441 + ... + 16581446.

It is an arithmetic number, because the mean of its divisors is an integer number (33162888).

Almost surely, 2^99488661 is an apocalyptic number.

It is an amenable number.

99488661 is a deficient number, since it is larger than the sum of its proper divisors (33162891).

99488661 is a wasteful number, since it uses less digits than its factorization.

99488661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33162890.

The product of its digits is 746496, while the sum is 51.

The square root of 99488661 is about 9974.4002827238. The cubic root of 99488661 is about 463.3663892478.

The spelling of 99488661 in words is "ninety-nine million, four hundred eighty-eight thousand, six hundred sixty-one".