86936071 has 4 divisors (see below), whose sum is σ = 86986144. Its totient is φ = 86886000.

The previous prime is 86936033. The next prime is 86936089. The reversal of 86936071 is 17063968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86936071 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 (86936371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22335 + ... + 25936.

It is an arithmetic number, because the mean of its divisors is an integer number (21746536).

Almost surely, 2^86936071 is an apocalyptic number.

86936071 is a deficient number, since it is larger than the sum of its proper divisors (50073).

86936071 is a wasteful number, since it uses less digits than its factorization.

86936071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50072.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 86936071 is about 9323.9514692002. The cubic root of 86936071 is about 442.9962020712.

The spelling of 86936071 in words is "eighty-six million, nine hundred thirty-six thousand, seventy-one".