86470091 has 2 divisors, whose sum is σ = 86470092. Its totient is φ = 86470090.

The previous prime is 86470079. The next prime is 86470103. The reversal of 86470091 is 19007468.

It is a balanced prime because it is at equal distance from previous prime (86470079) and next prime (86470103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86470091 is a prime.

It is not a weakly prime, because it can be changed into another prime (86470031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43235045 + 43235046.

It is an arithmetic number, because the mean of its divisors is an integer number (43235046).

Almost surely, 2^86470091 is an apocalyptic number.

86470091 is a deficient number, since it is larger than the sum of its proper divisors (1).

86470091 is an equidigital number, since it uses as much as digits as its factorization.

86470091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 86470091 is about 9298.9295620518. The cubic root of 86470091 is about 442.2032926414.

The spelling of 86470091 in words is "eighty-six million, four hundred seventy thousand, ninety-one".