99751697 has 4 divisors (see below), whose sum is σ = 99830256. Its totient is φ = 99673140.

The previous prime is 99751693. The next prime is 99751703. The reversal of 99751697 is 79615799.

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 99751697 - 2² = 99751693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99751693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37343 + ... + 39924.

It is an arithmetic number, because the mean of its divisors is an integer number (24957564).

Almost surely, 2^99751697 is an apocalyptic number.

It is an amenable number.

99751697 is a deficient number, since it is larger than the sum of its proper divisors (78559).

99751697 is a wasteful number, since it uses less digits than its factorization.

99751697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78558.

The product of its digits is 1071630, while the sum is 53.

The square root of 99751697 is about 9987.5771336195. The cubic root of 99751697 is about 463.7743914731.

The spelling of 99751697 in words is "ninety-nine million, seven hundred fifty-one thousand, six hundred ninety-seven".