86617637 has 4 divisors (see below), whose sum is σ = 91176480. Its totient is φ = 82058796.

The previous prime is 86617607. The next prime is 86617651. The reversal of 86617637 is 73671668.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86617637 - 2¹⁴ = 86601253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86617607) 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 3 ways as a sum of consecutive naturals, for example, 2279393 + ... + 2279430.

It is an arithmetic number, because the mean of its divisors is an integer number (22794120).

Almost surely, 2^86617637 is an apocalyptic number.

It is an amenable number.

86617637 is a deficient number, since it is larger than the sum of its proper divisors (4558843).

86617637 is a wasteful number, since it uses less digits than its factorization.

86617637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558842.

The product of its digits is 254016, while the sum is 44.

The square root of 86617637 is about 9306.8596744552. The cubic root of 86617637 is about 442.4546637668.

The spelling of 86617637 in words is "eighty-six million, six hundred seventeen thousand, six hundred thirty-seven".