86371505 has 16 divisors (see below), whose sum is σ = 116126784. Its totient is φ = 61116480.

The previous prime is 86371501. The next prime is 86371517. The reversal of 86371505 is 50517368.

It is not a de Polignac number, because 86371505 - 2² = 86371501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86371501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19187 + ... + 23256.

It is an arithmetic number, because the mean of its divisors is an integer number (7257924).

Almost surely, 2^86371505 is an apocalyptic number.

It is an amenable number.

86371505 is a deficient number, since it is larger than the sum of its proper divisors (29755279).

86371505 is a wasteful number, since it uses less digits than its factorization.

86371505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42496.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 86371505 is about 9293.6271175467. The cubic root of 86371505 is about 442.0351742719.

The spelling of 86371505 in words is "eighty-six million, three hundred seventy-one thousand, five hundred five".