86347379 has 2 divisors, whose sum is σ = 86347380. Its totient is φ = 86347378.

The previous prime is 86347351. The next prime is 86347409. The reversal of 86347379 is 97374368.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86347379 is a prime.

It is not a weakly prime, because it can be changed into another prime (86347309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43173689 + 43173690.

It is an arithmetic number, because the mean of its divisors is an integer number (43173690).

Almost surely, 2^86347379 is an apocalyptic number.

86347379 is a deficient number, since it is larger than the sum of its proper divisors (1).

86347379 is an equidigital number, since it uses as much as digits as its factorization.

86347379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 86347379 is about 9292.3290406657. The cubic root of 86347379 is about 441.9940128042.

The spelling of 86347379 in words is "eighty-six million, three hundred forty-seven thousand, three hundred seventy-nine".