97716329 has 4 divisors (see below), whose sum is σ = 98338884. Its totient is φ = 97093776.

The previous prime is 97716271. The next prime is 97716343. The reversal of 97716329 is 92361779.

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: 92361779 = 1093 ⋅84503.

It can be written as a sum of positive squares in 2 ways, for example, as 32752729 + 64963600 = 5723^2 + 8060^2 .

It is a cyclic number.

It is not a de Polignac number, because 97716329 - 2¹⁶ = 97650793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97716329.

It is not an unprimeable number, because it can be changed into a prime (97716349) 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, 311042 + ... + 311355.

It is an arithmetic number, because the mean of its divisors is an integer number (24584721).

Almost surely, 2^97716329 is an apocalyptic number.

It is an amenable number.

97716329 is a deficient number, since it is larger than the sum of its proper divisors (622555).

97716329 is a wasteful number, since it uses less digits than its factorization.

97716329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622554.

The product of its digits is 142884, while the sum is 44.

The square root of 97716329 is about 9885.1570043171. The cubic root of 97716329 is about 460.5983533536.

The spelling of 97716329 in words is "ninety-seven million, seven hundred sixteen thousand, three hundred twenty-nine".