86796818 has 4 divisors (see below), whose sum is σ = 130195230. Its totient is φ = 43398408.

The previous prime is 86796811. The next prime is 86796859. The reversal of 86796818 is 81869768.

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

It can be written as a sum of positive squares in only one way, i.e., 80227849 + 6568969 = 8957^2 + 2563^2 .

It is a super-2 number, since 2×86796818² = 15067375229850248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86796818.

It is not an unprimeable number, because it can be changed into a prime (86796811) by changing a digit.

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, 21699203 + ... + 21699206.

Almost surely, 2^86796818 is an apocalyptic number.

86796818 is a deficient number, since it is larger than the sum of its proper divisors (43398412).

86796818 is a wasteful number, since it uses less digits than its factorization.

86796818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43398411.

The product of its digits is 1161216, while the sum is 53.

The square root of 86796818 is about 9316.4809880126. The cubic root of 86796818 is about 442.7595472664.

The spelling of 86796818 in words is "eighty-six million, seven hundred ninety-six thousand, eight hundred eighteen".