86217862 has 4 divisors (see below), whose sum is σ = 129326796. Its totient is φ = 43108930.

The previous prime is 86217847. The next prime is 86217871. The reversal of 86217862 is 26871268.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21554464 + ... + 21554467.

It is an arithmetic number, because the mean of its divisors is an integer number (32331699).

Almost surely, 2^86217862 is an apocalyptic number.

86217862 is a deficient number, since it is larger than the sum of its proper divisors (43108934).

86217862 is a wasteful number, since it uses less digits than its factorization.

86217862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43108933.

The product of its digits is 64512, while the sum is 40.

The square root of 86217862 is about 9285.3573975373. The cubic root of 86217862 is about 441.7729121561.

The spelling of 86217862 in words is "eighty-six million, two hundred seventeen thousand, eight hundred sixty-two".