93442087 has 4 divisors (see below), whose sum is σ = 93843360. Its totient is φ = 93040816.

The previous prime is 93442051. The next prime is 93442109. The reversal of 93442087 is 78024439.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78024439 = 521 ⋅149759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93442087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93442487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200287 + ... + 200752.

It is an arithmetic number, because the mean of its divisors is an integer number (23460840).

Almost surely, 2^93442087 is an apocalyptic number.

93442087 is a deficient number, since it is larger than the sum of its proper divisors (401273).

93442087 is a wasteful number, since it uses less digits than its factorization.

93442087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401272.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 93442087 is about 9666.5447291160. The cubic root of 93442087 is about 453.7822560024.

The spelling of 93442087 in words is "ninety-three million, four hundred forty-two thousand, eighty-seven".