93420087 has 4 divisors (see below), whose sum is σ = 124560120. Its totient is φ = 62280056.

The previous prime is 93420077. The next prime is 93420091. The reversal of 93420087 is 78002439.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 93420087 - 2⁶ = 93420023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93420077) 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, 15570012 + ... + 15570017.

It is an arithmetic number, because the mean of its divisors is an integer number (31140030).

Almost surely, 2^93420087 is an apocalyptic number.

93420087 is a deficient number, since it is larger than the sum of its proper divisors (31140033).

93420087 is a wasteful number, since it uses less digits than its factorization.

93420087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140032.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 93420087 is about 9665.4067167399. The cubic root of 93420087 is about 453.7466403837.

The spelling of 93420087 in words is "ninety-three million, four hundred twenty thousand, eighty-seven".