86863841 has 4 divisors (see below), whose sum is σ = 87396912. Its totient is φ = 86330772.

The previous prime is 86863837. The next prime is 86863853. The reversal of 86863841 is 14836868.

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 a cyclic number.

It is not a de Polignac number, because 86863841 - 2² = 86863837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86863792 and 86863801.

It is not an unprimeable number, because it can be changed into a prime (86863811) 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, 266291 + ... + 266616.

It is an arithmetic number, because the mean of its divisors is an integer number (21849228).

Almost surely, 2^86863841 is an apocalyptic number.

It is an amenable number.

86863841 is a deficient number, since it is larger than the sum of its proper divisors (533071).

86863841 is a wasteful number, since it uses less digits than its factorization.

86863841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533070.

The product of its digits is 221184, while the sum is 44.

The square root of 86863841 is about 9320.0773065463. The cubic root of 86863841 is about 442.8734816974.

The spelling of 86863841 in words is "eighty-six million, eight hundred sixty-three thousand, eight hundred forty-one".