97179091 has 4 divisors (see below), whose sum is σ = 102293800. Its totient is φ = 92064384.

The previous prime is 97179037. The next prime is 97179101. The reversal of 97179091 is 19097179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97179091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97179391) 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, 2557326 + ... + 2557363.

It is an arithmetic number, because the mean of its divisors is an integer number (25573450).

Almost surely, 2^97179091 is an apocalyptic number.

97179091 is a deficient number, since it is larger than the sum of its proper divisors (5114709).

97179091 is a wasteful number, since it uses less digits than its factorization.

97179091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114708.

The product of its (nonzero) digits is 35721, while the sum is 43.

The square root of 97179091 is about 9857.9455770460. The cubic root of 97179091 is about 459.7526884218.

The spelling of 97179091 in words is "ninety-seven million, one hundred seventy-nine thousand, ninety-one".