94129487 has 2 divisors, whose sum is σ = 94129488. Its totient is φ = 94129486.

The previous prime is 94129417. The next prime is 94129499. The reversal of 94129487 is 78492149.

It is a strong prime.

It is an emirp because it is prime and its reverse (78492149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94129487 - 2¹² = 94125391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94129417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47064743 + 47064744.

It is an arithmetic number, because the mean of its divisors is an integer number (47064744).

Almost surely, 2^94129487 is an apocalyptic number.

94129487 is a deficient number, since it is larger than the sum of its proper divisors (1).

94129487 is an equidigital number, since it uses as much as digits as its factorization.

94129487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 94129487 is about 9702.0351988642. The cubic root of 94129487 is about 454.8922773603.

The spelling of 94129487 in words is "ninety-four million, one hundred twenty-nine thousand, four hundred eighty-seven".