87068039 has 2 divisors, whose sum is σ = 87068040. Its totient is φ = 87068038.

The previous prime is 87068027. The next prime is 87068099. The reversal of 87068039 is 93086078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87068039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87067987 and 87068005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87068099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43534019 + 43534020.

It is an arithmetic number, because the mean of its divisors is an integer number (43534020).

Almost surely, 2^87068039 is an apocalyptic number.

87068039 is a deficient number, since it is larger than the sum of its proper divisors (1).

87068039 is an equidigital number, since it uses as much as digits as its factorization.

87068039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 87068039 is about 9331.0256135111. The cubic root of 87068039 is about 443.2202432003.

The spelling of 87068039 in words is "eighty-seven million, sixty-eight thousand, thirty-nine".