90085067 has 4 divisors (see below), whose sum is σ = 90245640. Its totient is φ = 89924496.

The previous prime is 90085063. The next prime is 90085081. The reversal of 90085067 is 76058009.

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 90085067 - 2² = 90085063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90085063) 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, 79442 + ... + 80567.

It is an arithmetic number, because the mean of its divisors is an integer number (22561410).

Almost surely, 2^90085067 is an apocalyptic number.

90085067 is a deficient number, since it is larger than the sum of its proper divisors (160573).

90085067 is a wasteful number, since it uses less digits than its factorization.

90085067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160572.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 90085067 is about 9491.3153461467. The cubic root of 90085067 is about 448.2816226603.

It can be divided in two parts, 9008 and 5067, that multiplied together give a square (45643536 = 6756²).

The spelling of 90085067 in words is "ninety million, eighty-five thousand, sixty-seven".