90860671 has 4 divisors (see below), whose sum is σ = 99120744. Its totient is φ = 82600600.

The previous prime is 90860621. The next prime is 90860687. The reversal of 90860671 is 17606809.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90860671 - 2¹⁹ = 90336383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90860671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90860621) 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 3 ways as a sum of consecutive naturals, for example, 4130020 + ... + 4130041.

It is an arithmetic number, because the mean of its divisors is an integer number (24780186).

Almost surely, 2^90860671 is an apocalyptic number.

90860671 is a deficient number, since it is larger than the sum of its proper divisors (8260073).

90860671 is a wasteful number, since it uses less digits than its factorization.

90860671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260072.

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

The square root of 90860671 is about 9532.0863928103. The cubic root of 90860671 is about 449.5644691440.

The spelling of 90860671 in words is "ninety million, eight hundred sixty thousand, six hundred seventy-one".