86020379 has 2 divisors, whose sum is σ = 86020380. Its totient is φ = 86020378.

The previous prime is 86020327. The next prime is 86020393. The reversal of 86020379 is 97302068.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86020379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86020399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43010189 + 43010190.

It is an arithmetic number, because the mean of its divisors is an integer number (43010190).

Almost surely, 2^86020379 is an apocalyptic number.

86020379 is a deficient number, since it is larger than the sum of its proper divisors (1).

86020379 is an equidigital number, since it uses as much as digits as its factorization.

86020379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 86020379 is about 9274.7171924539. The cubic root of 86020379 is about 441.4353589972.

The spelling of 86020379 in words is "eighty-six million, twenty thousand, three hundred seventy-nine".