90086284207 has 4 divisors (see below), whose sum is σ = 91613170440. Its totient is φ = 88559397976.

The previous prime is 90086284199. The next prime is 90086284237. The reversal of 90086284207 is 70248268009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70248268009 = 1453 ⋅48347053.

It is a cyclic number.

It is not a de Polignac number, because 90086284207 - 2³ = 90086284199 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 (90086284237) 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, 763443028 + ... + 763443145.

It is an arithmetic number, because the mean of its divisors is an integer number (22903292610).

Almost surely, 2^90086284207 is an apocalyptic number.

90086284207 is a deficient number, since it is larger than the sum of its proper divisors (1526886233).

90086284207 is a wasteful number, since it uses less digits than its factorization.

90086284207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526886232.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 90086284207 in words is "ninety billion, eighty-six million, two hundred eighty-four thousand, two hundred seven".