99881743 has 8 divisors (see below), whose sum is σ = 107913008. Its totient is φ = 91900224.

The previous prime is 99881729. The next prime is 99881767. The reversal of 99881743 is 34718899.

It is a happy number.

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

It is not a de Polignac number, because 99881743 - 2⁵ = 99881711 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 (99881543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8205 + ... + 16342.

It is an arithmetic number, because the mean of its divisors is an integer number (13489126).

Almost surely, 2^99881743 is an apocalyptic number.

99881743 is a deficient number, since it is larger than the sum of its proper divisors (8031265).

99881743 is a wasteful number, since it uses less digits than its factorization.

99881743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24873.

The product of its digits is 435456, while the sum is 49.

The square root of 99881743 is about 9994.0854008759. The cubic root of 99881743 is about 463.9758443999.

The spelling of 99881743 in words is "ninety-nine million, eight hundred eighty-one thousand, seven hundred forty-three".