90888067 has 4 divisors (see below), whose sum is σ = 91040400. Its totient is φ = 90735736.

The previous prime is 90888053. The next prime is 90888097. The reversal of 90888067 is 76088809.

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 90888067 - 2¹⁵ = 90855299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90888097) 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, 75268 + ... + 76465.

It is an arithmetic number, because the mean of its divisors is an integer number (22760100).

Almost surely, 2^90888067 is an apocalyptic number.

90888067 is a deficient number, since it is larger than the sum of its proper divisors (152333).

90888067 is a wasteful number, since it uses less digits than its factorization.

90888067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152332.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 90888067 is about 9533.5233256126. The cubic root of 90888067 is about 449.6096483193.

The spelling of 90888067 in words is "ninety million, eight hundred eighty-eight thousand, sixty-seven".