86888437 has 4 divisors (see below), whose sum is σ = 89884620. Its totient is φ = 83892256.

The previous prime is 86888401. The next prime is 86888489. The reversal of 86888437 is 73488868.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 40525956 = 6809^2 + 6366^2 .

It is a cyclic number.

It is not a de Polignac number, because 86888437 - 2¹¹ = 86886389 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 (86888237) 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, 1498048 + ... + 1498105.

It is an arithmetic number, because the mean of its divisors is an integer number (22471155).

Almost surely, 2^86888437 is an apocalyptic number.

It is an amenable number.

86888437 is a deficient number, since it is larger than the sum of its proper divisors (2996183).

86888437 is a wasteful number, since it uses less digits than its factorization.

86888437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996182.

The product of its digits is 2064384, while the sum is 52.

The square root of 86888437 is about 9321.3967301043. The cubic root of 86888437 is about 442.9152784836.

The spelling of 86888437 in words is "eighty-six million, eight hundred eighty-eight thousand, four hundred thirty-seven".