90452871 has 6 divisors (see below), whose sum is σ = 130654160. Its totient is φ = 60301908.

The previous prime is 90452851. The next prime is 90452893. The reversal of 90452871 is 17825409.

It is not a de Polignac number, because 90452871 - 2⁶ = 90452807 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 (90452851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5025151 + ... + 5025168.

Almost surely, 2^90452871 is an apocalyptic number.

90452871 is a deficient number, since it is larger than the sum of its proper divisors (40201289).

90452871 is a wasteful number, since it uses less digits than its factorization.

90452871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050325 (or 10050322 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 90452871 is about 9510.6714274020. The cubic root of 90452871 is about 448.8908834171.

The spelling of 90452871 in words is "ninety million, four hundred fifty-two thousand, eight hundred seventy-one".