97967109 has 4 divisors (see below), whose sum is σ = 130622816. Its totient is φ = 65311404.

The previous prime is 97967101. The next prime is 97967113. The reversal of 97967109 is 90176979.

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 not a de Polignac number, because 97967109 - 2³ = 97967101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97967101) 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, 16327849 + ... + 16327854.

It is an arithmetic number, because the mean of its divisors is an integer number (32655704).

Almost surely, 2^97967109 is an apocalyptic number.

It is an amenable number.

97967109 is a deficient number, since it is larger than the sum of its proper divisors (32655707).

97967109 is a wasteful number, since it uses less digits than its factorization.

97967109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32655706.

The product of its (nonzero) digits is 214326, while the sum is 48.

The square root of 97967109 is about 9897.8335508332. The cubic root of 97967109 is about 460.9920445705.

The spelling of 97967109 in words is "ninety-seven million, nine hundred sixty-seven thousand, one hundred nine".