99747697 has 8 divisors (see below), whose sum is σ = 114061376. Its totient is φ = 85450032.

The previous prime is 99747689. The next prime is 99747707. The reversal of 99747697 is 79674799.

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 99747697 - 2³ = 99747689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99747607) 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, 16078 + ... + 21400.

It is an arithmetic number, because the mean of its divisors is an integer number (14257672).

Almost surely, 2^99747697 is an apocalyptic number.

It is an amenable number.

99747697 is a deficient number, since it is larger than the sum of its proper divisors (14313679).

99747697 is a wasteful number, since it uses less digits than its factorization.

99747697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007.

The product of its digits is 6001128, while the sum is 58.

The square root of 99747697 is about 9987.3768828457. The cubic root of 99747697 is about 463.7681923393.

It can be divided in two parts, 9974 and 7697, that added together give a palindrome (17671).

The spelling of 99747697 in words is "ninety-nine million, seven hundred forty-seven thousand, six hundred ninety-seven".