86650637 has 16 divisors (see below), whose sum is σ = 94227840. Its totient is φ = 79434432.

The previous prime is 86650609. The next prime is 86650639. The reversal of 86650637 is 73605668.

It is a cyclic number.

It is not a de Polignac number, because 86650637 - 2⁶ = 86650573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86650594 and 86650603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86650639) 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 15 ways as a sum of consecutive naturals, for example, 108323 + ... + 109119.

It is an arithmetic number, because the mean of its divisors is an integer number (5889240).

Almost surely, 2^86650637 is an apocalyptic number.

It is an amenable number.

86650637 is a deficient number, since it is larger than the sum of its proper divisors (7577203).

86650637 is a wasteful number, since it uses less digits than its factorization.

86650637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 86650637 is about 9308.6323914955. The cubic root of 86650637 is about 442.5108461278.

The spelling of 86650637 in words is "eighty-six million, six hundred fifty thousand, six hundred thirty-seven".