86867822 has 4 divisors (see below), whose sum is σ = 130301736. Its totient is φ = 43433910.

The previous prime is 86867821. The next prime is 86867839. The reversal of 86867822 is 22876868.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86867821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716954 + ... + 21716957.

It is an arithmetic number, because the mean of its divisors is an integer number (32575434).

Almost surely, 2^86867822 is an apocalyptic number.

86867822 is a deficient number, since it is larger than the sum of its proper divisors (43433914).

86867822 is a wasteful number, since it uses less digits than its factorization.

86867822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43433913.

The product of its digits is 516096, while the sum is 47.

The square root of 86867822 is about 9320.2908752892. The cubic root of 86867822 is about 442.8802472758.

The spelling of 86867822 in words is "eighty-six million, eight hundred sixty-seven thousand, eight hundred twenty-two".