90775671 has 8 divisors (see below), whose sum is σ = 138324864. Its totient is φ = 51871800.

The previous prime is 90775667. The next prime is 90775679. The reversal of 90775671 is 17657709.

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

It is not a de Polignac number, because 90775671 - 2² = 90775667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90775679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161305 + ... + 2161346.

It is an arithmetic number, because the mean of its divisors is an integer number (17290608).

Almost surely, 2^90775671 is an apocalyptic number.

90775671 is a deficient number, since it is larger than the sum of its proper divisors (47549193).

90775671 is a wasteful number, since it uses less digits than its factorization.

90775671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322661.

The product of its (nonzero) digits is 92610, while the sum is 42.

The square root of 90775671 is about 9527.6267244262. The cubic root of 90775671 is about 449.4242364790.

The spelling of 90775671 in words is "ninety million, seven hundred seventy-five thousand, six hundred seventy-one".