90677999 has 8 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 89913496.

The previous prime is 90677989. The next prime is 90678023. The reversal of 90677999 is 99977609.

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-90677999 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 (90677969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104642 + ... + 105504.

It is an arithmetic number, because the mean of its divisors is an integer number (11430720).

Almost surely, 2^90677999 is an apocalyptic number.

90677999 is a deficient number, since it is larger than the sum of its proper divisors (767761).

90677999 is a wasteful number, since it uses less digits than its factorization.

90677999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The square root of 90677999 is about 9522.4996193226. The cubic root of 90677999 is about 449.2629894670.

The spelling of 90677999 in words is "ninety million, six hundred seventy-seven thousand, nine hundred ninety-nine".