86340953 has 2 divisors, whose sum is σ = 86340954. Its totient is φ = 86340952.

The previous prime is 86340941. The next prime is 86340979. The reversal of 86340953 is 35904368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78092569 + 8248384 = 8837^2 + 2872^2 .

It is a cyclic number.

It is not a de Polignac number, because 86340953 - 2¹⁶ = 86275417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86340913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43170476 + 43170477.

It is an arithmetic number, because the mean of its divisors is an integer number (43170477).

Almost surely, 2^86340953 is an apocalyptic number.

It is an amenable number.

86340953 is a deficient number, since it is larger than the sum of its proper divisors (1).

86340953 is an equidigital number, since it uses as much as digits as its factorization.

86340953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 86340953 is about 9291.9832651593. The cubic root of 86340953 is about 441.9830480862.

The spelling of 86340953 in words is "eighty-six million, three hundred forty thousand, nine hundred fifty-three".