86261339 has 4 divisors (see below), whose sum is σ = 90011856. Its totient is φ = 82510824.

The previous prime is 86261333. The next prime is 86261359. The reversal of 86261339 is 93316268.

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

It is a cyclic number.

It is not a de Polignac number, because 86261339 - 2¹² = 86257243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86261333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875224 + ... + 1875269.

It is an arithmetic number, because the mean of its divisors is an integer number (22502964).

Almost surely, 2^86261339 is an apocalyptic number.

86261339 is a deficient number, since it is larger than the sum of its proper divisors (3750517).

86261339 is a wasteful number, since it uses less digits than its factorization.

86261339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750516.

The product of its digits is 46656, while the sum is 38.

The square root of 86261339 is about 9287.6982616793. The cubic root of 86261339 is about 441.8471571476.

The spelling of 86261339 in words is "eighty-six million, two hundred sixty-one thousand, three hundred thirty-nine".