99761761 has 8 divisors (see below), whose sum is σ = 114559200. Its totient is φ = 85919040.

The previous prime is 99761759. The next prime is 99761801. The reversal of 99761761 is 16716799.

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

It is a cyclic number.

It is not a de Polignac number, because 99761761 - 2¹ = 99761759 is a prime.

It is a super-2 number, since 2×99761761² = 19904817915642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99761261) 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, 238456 + ... + 238873.

It is an arithmetic number, because the mean of its divisors is an integer number (14319900).

Almost surely, 2^99761761 is an apocalyptic number.

It is an amenable number.

99761761 is a deficient number, since it is larger than the sum of its proper divisors (14797439).

99761761 is a wasteful number, since it uses less digits than its factorization.

99761761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477359.

The product of its digits is 142884, while the sum is 46.

The square root of 99761761 is about 9988.0809468086. The cubic root of 99761761 is about 463.7899877609.

The spelling of 99761761 in words is "ninety-nine million, seven hundred sixty-one thousand, seven hundred sixty-one".