94187456617 has 2 divisors, whose sum is σ = 94187456618. Its totient is φ = 94187456616.

The previous prime is 94187456609. The next prime is 94187456647. The reversal of 94187456617 is 71665478149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88630648681 + 5556807936 = 297709^2 + 74544^2 .

It is a cyclic number.

It is not a de Polignac number, because 94187456617 - 2³ = 94187456609 is a prime.

It is not a weakly prime, because it can be changed into another prime (94187456647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47093728308 + 47093728309.

It is an arithmetic number, because the mean of its divisors is an integer number (47093728309).

Almost surely, 2^94187456617 is an apocalyptic number.

It is an amenable number.

94187456617 is a deficient number, since it is larger than the sum of its proper divisors (1).

94187456617 is an equidigital number, since it uses as much as digits as its factorization.

94187456617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 58.

The spelling of 94187456617 in words is "ninety-four billion, one hundred eighty-seven million, four hundred fifty-six thousand, six hundred seventeen".