97100099 has 4 divisors (see below), whose sum is σ = 99724464. Its totient is φ = 94475736.

The previous prime is 97100093. The next prime is 97100111. The reversal of 97100099 is 99000179.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99000179 = 3119 ⋅31741.

It is a cyclic number.

It is not a de Polignac number, because 97100099 - 2⁴ = 97100083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97100093) 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, 1312127 + ... + 1312200.

It is an arithmetic number, because the mean of its divisors is an integer number (24931116).

Almost surely, 2^97100099 is an apocalyptic number.

97100099 is a deficient number, since it is larger than the sum of its proper divisors (2624365).

97100099 is a wasteful number, since it uses less digits than its factorization.

97100099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624364.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 97100099 is about 9853.9382482335. The cubic root of 97100099 is about 459.6280847014.

The spelling of 97100099 in words is "ninety-seven million, one hundred thousand, ninety-nine".