90880547 has 8 divisors (see below), whose sum is σ = 94618176. Its totient is φ = 87210432.

The previous prime is 90880541. The next prime is 90880571. The reversal of 90880547 is 74508809.

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-90880547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90880541) 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, 14123 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (11827272).

Almost surely, 2^90880547 is an apocalyptic number.

90880547 is a deficient number, since it is larger than the sum of its proper divisors (3737629).

90880547 is a wasteful number, since it uses less digits than its factorization.

90880547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33757.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 90880547 is about 9533.1289197199. The cubic root of 90880547 is about 449.5972478729.

The spelling of 90880547 in words is "ninety million, eight hundred eighty thousand, five hundred forty-seven".