90911677 has 8 divisors (see below), whose sum is σ = 93194496. Its totient is φ = 88643472.

The previous prime is 90911669. The next prime is 90911683. The reversal of 90911677 is 77611909.

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 90911677 - 2³ = 90911669 is a prime.

It is a super-3 number, since 3×90911677³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90911647) 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, 9528 + ... + 16510.

It is an arithmetic number, because the mean of its divisors is an integer number (11649312).

Almost surely, 2^90911677 is an apocalyptic number.

It is an amenable number.

90911677 is a deficient number, since it is larger than the sum of its proper divisors (2282819).

90911677 is a wasteful number, since it uses less digits than its factorization.

90911677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 90911677 is about 9534.7615072429. The cubic root of 90911677 is about 449.6485766594.

The spelling of 90911677 in words is "ninety million, nine hundred eleven thousand, six hundred seventy-seven".