99996761 has 4 divisors (see below), whose sum is σ = 100595712. Its totient is φ = 99397812.

The previous prime is 99996749. The next prime is 99996769. The reversal of 99996761 is 16769999.

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 99996761 - 2⁶ = 99996697 is a prime.

It is a super-2 number, since 2×99996761² = 19998704420982242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99996697 and 99996706.

It is not an unprimeable number, because it can be changed into a prime (99996769) 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, 299225 + ... + 299558.

It is an arithmetic number, because the mean of its divisors is an integer number (25148928).

Almost surely, 2^99996761 is an apocalyptic number.

It is an amenable number.

99996761 is a deficient number, since it is larger than the sum of its proper divisors (598951).

99996761 is a wasteful number, since it uses less digits than its factorization.

99996761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598950.

The product of its digits is 1653372, while the sum is 56.

The square root of 99996761 is about 9999.8380486886. The cubic root of 99996761 is about 464.1538719384.

The spelling of 99996761 in words is "ninety-nine million, nine hundred ninety-six thousand, seven hundred sixty-one".