86870093969 has 2 divisors, whose sum is σ = 86870093970. Its totient is φ = 86870093968.

The previous prime is 86870093953. The next prime is 86870093977. The reversal of 86870093969 is 96939007868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58946012944 + 27924081025 = 242788^2 + 167105^2 .

It is a cyclic number.

It is not a de Polignac number, because 86870093969 - 2⁴ = 86870093953 is a prime.

It is a super-2 number, since 2×86870093969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86870093269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43435046984 + 43435046985.

It is an arithmetic number, because the mean of its divisors is an integer number (43435046985).

Almost surely, 2^86870093969 is an apocalyptic number.

It is an amenable number.

86870093969 is a deficient number, since it is larger than the sum of its proper divisors (1).

86870093969 is an equidigital number, since it uses as much as digits as its factorization.

86870093969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 86870093969 in words is "eighty-six billion, eight hundred seventy million, ninety-three thousand, nine hundred sixty-nine".