99888461 has 4 divisors (see below), whose sum is σ = 100176672. Its totient is φ = 99600252.

The previous prime is 99888457. The next prime is 99888487. The reversal of 99888461 is 16488899.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16488899 = 7 ⋅2355557.

It is a cyclic number.

It is not a de Polignac number, because 99888461 - 2² = 99888457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99884461) 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, 143585 + ... + 144278.

It is an arithmetic number, because the mean of its divisors is an integer number (25044168).

Almost surely, 2^99888461 is an apocalyptic number.

It is an amenable number.

99888461 is a deficient number, since it is larger than the sum of its proper divisors (288211).

99888461 is a wasteful number, since it uses less digits than its factorization.

99888461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288210.

The product of its digits is 995328, while the sum is 53.

The square root of 99888461 is about 9994.4214940135. The cubic root of 99888461 is about 463.9862464339.

The spelling of 99888461 in words is "ninety-nine million, eight hundred eighty-eight thousand, four hundred sixty-one".