86129282 has 4 divisors (see below), whose sum is σ = 129193926. Its totient is φ = 43064640.

The previous prime is 86129279. The next prime is 86129291. The reversal of 86129282 is 28292168.

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., 80658361 + 5470921 = 8981^2 + 2339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21532319 + ... + 21532322.

Almost surely, 2^86129282 is an apocalyptic number.

86129282 is a deficient number, since it is larger than the sum of its proper divisors (43064644).

86129282 is a wasteful number, since it uses less digits than its factorization.

86129282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43064643.

The product of its digits is 27648, while the sum is 38.

The square root of 86129282 is about 9280.5862961345. The cubic root of 86129282 is about 441.6215682127.

The spelling of 86129282 in words is "eighty-six million, one hundred twenty-nine thousand, two hundred eighty-two".