87259339 has 2 divisors, whose sum is σ = 87259340. Its totient is φ = 87259338.

The previous prime is 87259321. The next prime is 87259349. The reversal of 87259339 is 93395278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87259339 - 2²⁵ = 53704907 is a prime.

It is a super-2 number, since 2×87259339² = 15228384485433842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87259349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43629669 + 43629670.

It is an arithmetic number, because the mean of its divisors is an integer number (43629670).

Almost surely, 2^87259339 is an apocalyptic number.

87259339 is a deficient number, since it is larger than the sum of its proper divisors (1).

87259339 is an equidigital number, since it uses as much as digits as its factorization.

87259339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 87259339 is about 9341.2707379671. The cubic root of 87259339 is about 443.5446102598.

The spelling of 87259339 in words is "eighty-seven million, two hundred fifty-nine thousand, three hundred thirty-nine".