86670037 has 2 divisors, whose sum is σ = 86670038. Its totient is φ = 86670036.

The previous prime is 86669987. The next prime is 86670041. The reversal of 86670037 is 73007668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52867441 + 33802596 = 7271^2 + 5814^2 .

It is a cyclic number.

It is not a de Polignac number, because 86670037 - 2¹⁵ = 86637269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86669978 and 86670005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86670737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43335018 + 43335019.

It is an arithmetic number, because the mean of its divisors is an integer number (43335019).

Almost surely, 2^86670037 is an apocalyptic number.

It is an amenable number.

86670037 is a deficient number, since it is larger than the sum of its proper divisors (1).

86670037 is an equidigital number, since it uses as much as digits as its factorization.

86670037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 86670037 is about 9309.6743766901. The cubic root of 86670037 is about 442.5438678886.

The spelling of 86670037 in words is "eighty-six million, six hundred seventy thousand, thirty-seven".