90707086 has 8 divisors (see below), whose sum is σ = 138955680. Its totient is φ = 44388528.

The previous prime is 90707051. The next prime is 90707117. The reversal of 90707086 is 68070709.

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

It is a super-2 number, since 2×90707086² = 16455550901222792, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 482391 + ... + 482578.

It is an arithmetic number, because the mean of its divisors is an integer number (17369460).

Almost surely, 2^90707086 is an apocalyptic number.

90707086 is a deficient number, since it is larger than the sum of its proper divisors (48248594).

90707086 is a wasteful number, since it uses less digits than its factorization.

90707086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965018.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 90707086 is about 9524.0267744269. The cubic root of 90707086 is about 449.3110213885.

The spelling of 90707086 in words is "ninety million, seven hundred seven thousand, eighty-six".