97688447 has 8 divisors (see below), whose sum is σ = 99202320. Its totient is φ = 96184000.

The previous prime is 97688431. The next prime is 97688449. The reversal of 97688447 is 74488679.

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

It is a cyclic number.

It is not a de Polignac number, because 97688447 - 2⁴ = 97688431 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 (97688449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20153 + ... + 24525.

It is an arithmetic number, because the mean of its divisors is an integer number (12400290).

Almost surely, 2^97688447 is an apocalyptic number.

97688447 is a deficient number, since it is larger than the sum of its proper divisors (1513873).

97688447 is a wasteful number, since it uses less digits than its factorization.

97688447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713.

The product of its digits is 2709504, while the sum is 53.

The square root of 97688447 is about 9883.7466074359. The cubic root of 97688447 is about 460.5545407344.

The spelling of 97688447 in words is "ninety-seven million, six hundred eighty-eight thousand, four hundred forty-seven".