90963887 has 8 divisors (see below), whose sum is σ = 109430400. Its totient is φ = 73865304.

The previous prime is 90963881. The next prime is 90963947. The reversal of 90963887 is 78836909.

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

It is a cyclic number.

It is not a de Polignac number, because 90963887 - 2¹⁶ = 90898351 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90963881) 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, 341837 + ... + 342102.

It is an arithmetic number, because the mean of its divisors is an integer number (13678800).

Almost surely, 2^90963887 is an apocalyptic number.

90963887 is a deficient number, since it is larger than the sum of its proper divisors (18466513).

90963887 is a wasteful number, since it uses less digits than its factorization.

90963887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683965.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 90963887 is about 9537.4989908256. The cubic root of 90963887 is about 449.7346369630.

The spelling of 90963887 in words is "ninety million, nine hundred sixty-three thousand, eight hundred eighty-seven".