86990607 has 48 divisors (see below), whose sum is σ = 146016000. Its totient is φ = 49351680.

The previous prime is 86990597. The next prime is 86990609. The reversal of 86990607 is 70609968.

It is not a de Polignac number, because 86990607 - 2¹⁹ = 86466319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86990609) 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 47 ways as a sum of consecutive naturals, for example, 193519 + ... + 193967.

It is an arithmetic number, because the mean of its divisors is an integer number (3042000).

Almost surely, 2^86990607 is an apocalyptic number.

86990607 is a deficient number, since it is larger than the sum of its proper divisors (59025393).

86990607 is a wasteful number, since it uses less digits than its factorization.

86990607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 86990607 is about 9326.8755218455. The cubic root of 86990607 is about 443.0888149172.

The spelling of 86990607 in words is "eighty-six million, nine hundred ninety thousand, six hundred seven".