93916687 has 8 divisors (see below), whose sum is σ = 101754576. Its totient is φ = 86335872.

The previous prime is 93916681. The next prime is 93916717. The reversal of 93916687 is 78661939.

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

It is a cyclic number.

It is not a de Polignac number, because 93916687 - 2¹⁵ = 93883919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93916687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93916681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63508 + ... + 64969.

It is an arithmetic number, because the mean of its divisors is an integer number (12719322).

Almost surely, 2^93916687 is an apocalyptic number.

93916687 is a deficient number, since it is larger than the sum of its proper divisors (7837889).

93916687 is a wasteful number, since it uses less digits than its factorization.

93916687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128537.

The product of its digits is 489888, while the sum is 49.

The square root of 93916687 is about 9691.0622224811. The cubic root of 93916687 is about 454.5492246924.

The spelling of 93916687 in words is "ninety-three million, nine hundred sixteen thousand, six hundred eighty-seven".