86861282 has 4 divisors (see below), whose sum is σ = 130291926. Its totient is φ = 43430640.

The previous prime is 86861263. The next prime is 86861297. The reversal of 86861282 is 28216868.

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., 79727041 + 7134241 = 8929^2 + 2671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21715319 + ... + 21715322.

Almost surely, 2^86861282 is an apocalyptic number.

86861282 is a deficient number, since it is larger than the sum of its proper divisors (43430644).

86861282 is a wasteful number, since it uses less digits than its factorization.

86861282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43430643.

The product of its digits is 73728, while the sum is 41.

The square root of 86861282 is about 9319.9400212662. The cubic root of 86861282 is about 442.8691326520.

The spelling of 86861282 in words is "eighty-six million, eight hundred sixty-one thousand, two hundred eighty-two".