90080215 has 4 divisors (see below), whose sum is σ = 108096264. Its totient is φ = 72064168.

The previous prime is 90080189. The next prime is 90080251. The reversal of 90080215 is 51208009.

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 90080215 - 2¹⁷ = 89949143 is a prime.

It is a super-2 number, since 2×90080215² = 16228890268892450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90080215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9008017 + ... + 9008026.

It is an arithmetic number, because the mean of its divisors is an integer number (27024066).

Almost surely, 2^90080215 is an apocalyptic number.

90080215 is a deficient number, since it is larger than the sum of its proper divisors (18016049).

90080215 is a wasteful number, since it uses less digits than its factorization.

90080215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18016048.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 90080215 is about 9491.0597406191. The cubic root of 90080215 is about 448.2735743361.

The spelling of 90080215 in words is "ninety million, eighty thousand, two hundred fifteen".