99955769 has 4 divisors (see below), whose sum is σ = 104301696. Its totient is φ = 95609844.

The previous prime is 99955763. The next prime is 99955783. The reversal of 99955769 is 96755999.

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 a de Polignac number, because none of the positive numbers 2^k-99955769 is a prime.

It is a super-2 number, since 2×99955769² = 19982311512762722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99955763) 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, 2172929 + ... + 2172974.

It is an arithmetic number, because the mean of its divisors is an integer number (26075424).

Almost surely, 2^99955769 is an apocalyptic number.

It is an amenable number.

99955769 is a deficient number, since it is larger than the sum of its proper divisors (4345927).

99955769 is a wasteful number, since it uses less digits than its factorization.

99955769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345926.

The product of its digits is 6889050, while the sum is 59.

The square root of 99955769 is about 9997.7882053982. The cubic root of 99955769 is about 464.0904392305.

The spelling of 99955769 in words is "ninety-nine million, nine hundred fifty-five thousand, seven hundred sixty-nine".