86020237 has 2 divisors, whose sum is σ = 86020238. Its totient is φ = 86020236.

The previous prime is 86020229. The next prime is 86020241. The reversal of 86020237 is 73202068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44275716 + 41744521 = 6654^2 + 6461^2 .

It is a cyclic number.

It is not a de Polignac number, because 86020237 - 2³ = 86020229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86020217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43010118 + 43010119.

It is an arithmetic number, because the mean of its divisors is an integer number (43010119).

Almost surely, 2^86020237 is an apocalyptic number.

It is an amenable number.

86020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

86020237 is an equidigital number, since it uses as much as digits as its factorization.

86020237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 86020237 is about 9274.7095372308. The cubic root of 86020237 is about 441.4351160941.

The spelling of 86020237 in words is "eighty-six million, twenty thousand, two hundred thirty-seven".