86648887 has 8 divisors (see below), whose sum is σ = 94363920. Its totient is φ = 79083840.

The previous prime is 86648803. The next prime is 86648909. The reversal of 86648887 is 78884668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86648887 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 (86648087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36289 + ... + 38602.

It is an arithmetic number, because the mean of its divisors is an integer number (11795490).

Almost surely, 2^86648887 is an apocalyptic number.

86648887 is a deficient number, since it is larger than the sum of its proper divisors (7715033).

86648887 is a wasteful number, since it uses less digits than its factorization.

86648887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74993.

The product of its digits is 4128768, while the sum is 55.

The square root of 86648887 is about 9308.5383922504. The cubic root of 86648887 is about 442.5078671184.

The spelling of 86648887 in words is "eighty-six million, six hundred forty-eight thousand, eight hundred eighty-seven".