90087616 has 14 divisors (see below), whose sum is σ = 178767740. Its totient is φ = 45043776.

The previous prime is 90087593. The next prime is 90087653. The reversal of 90087616 is 61678009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703746 + ... + 703873.

Almost surely, 2^90087616 is an apocalyptic number.

It is an amenable number.

90087616 is a deficient number, since it is larger than the sum of its proper divisors (88680124).

90087616 is a wasteful number, since it uses less digits than its factorization.

90087616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407631 (or 1407621 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 90087616 is about 9491.4496258475. The cubic root of 90087616 is about 448.2858507346.

It can be divided in two parts, 900 and 87616, that multiplied together give a square (78854400 = 8880²).

The spelling of 90087616 in words is "ninety million, eighty-seven thousand, six hundred sixteen".