90447895 has 8 divisors (see below), whose sum is σ = 108725904. Its totient is φ = 72232704.

The previous prime is 90447883. The next prime is 90447899. The reversal of 90447895 is 59874409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90447895 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 (90447899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12474 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (13590738).

Almost surely, 2^90447895 is an apocalyptic number.

90447895 is a deficient number, since it is larger than the sum of its proper divisors (18278009).

90447895 is a wasteful number, since it uses less digits than its factorization.

90447895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 90447895 is about 9510.4098229256. The cubic root of 90447895 is about 448.8826517934.

The spelling of 90447895 in words is "ninety million, four hundred forty-seven thousand, eight hundred ninety-five".