94721917317 has 8 divisors (see below), whose sum is σ = 126371841024. Its totient is φ = 63109969248.

The previous prime is 94721917271. The next prime is 94721917331. The reversal of 94721917317 is 71371912749.

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

It is not a de Polignac number, because 94721917317 - 2¹⁶ = 94721851781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94721917317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94721917357) 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, 9488088 + ... + 9498065.

It is an arithmetic number, because the mean of its divisors is an integer number (15796480128).

Almost surely, 2^94721917317 is an apocalyptic number.

It is an amenable number.

94721917317 is a deficient number, since it is larger than the sum of its proper divisors (31649923707).

94721917317 is a wasteful number, since it uses less digits than its factorization.

94721917317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987819.

The product of its digits is 666792, while the sum is 51.

The spelling of 94721917317 in words is "ninety-four billion, seven hundred twenty-one million, nine hundred seventeen thousand, three hundred seventeen".