97712247 has 8 divisors (see below), whose sum is σ = 131113456. Its totient is φ = 64726272.

The previous prime is 97712207. The next prime is 97712273. The reversal of 97712247 is 74221779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97712247 - 2¹¹ = 97710199 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 (97712207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103258 + ... + 104199.

It is an arithmetic number, because the mean of its divisors is an integer number (16389182).

Almost surely, 2^97712247 is an apocalyptic number.

97712247 is a deficient number, since it is larger than the sum of its proper divisors (33401209).

97712247 is a wasteful number, since it uses less digits than its factorization.

97712247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207617.

The product of its digits is 49392, while the sum is 39.

The square root of 97712247 is about 9884.9505309840. The cubic root of 97712247 is about 460.5919395888.

The spelling of 97712247 in words is "ninety-seven million, seven hundred twelve thousand, two hundred forty-seven".