320607232517 has 16 divisors (see below), whose sum is σ = 377424653760. Its totient is φ = 268493030400.

The previous prime is 320607232489. The next prime is 320607232529. The reversal of 320607232517 is 715232706023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320607232517 - 2⁶ = 320607232453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320607232597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212892 + ... + 2353317.

It is an arithmetic number, because the mean of its divisors is an integer number (23589040860).

Almost surely, 2^320607232517 is an apocalyptic number.

It is an amenable number.

320607232517 is a deficient number, since it is larger than the sum of its proper divisors (56817421243).

320607232517 is a wasteful number, since it uses less digits than its factorization.

320607232517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566724.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 320607232517 in words is "three hundred twenty billion, six hundred seven million, two hundred thirty-two thousand, five hundred seventeen".