86259458 has 4 divisors (see below), whose sum is σ = 129389190. Its totient is φ = 43129728.

The previous prime is 86259457. The next prime is 86259497. The reversal of 86259458 is 85495268.

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., 61984129 + 24275329 = 7873^2 + 4927^2 .

It is not an unprimeable number, because it can be changed into a prime (86259451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21564863 + ... + 21564866.

Almost surely, 2^86259458 is an apocalyptic number.

86259458 is a deficient number, since it is larger than the sum of its proper divisors (43129732).

86259458 is a wasteful number, since it uses less digits than its factorization.

86259458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43129731.

The product of its digits is 691200, while the sum is 47.

The square root of 86259458 is about 9287.5969981476. The cubic root of 86259458 is about 441.8439455098.

The spelling of 86259458 in words is "eighty-six million, two hundred fifty-nine thousand, four hundred fifty-eight".