86458711121 has 2 divisors, whose sum is σ = 86458711122. Its totient is φ = 86458711120.

The previous prime is 86458711069. The next prime is 86458711123. The reversal of 86458711121 is 12111785468.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54242410000 + 32216301121 = 232900^2 + 179489^2 .

It is a cyclic number.

It is not a de Polignac number, because 86458711121 - 2²² = 86454516817 is a prime.

Together with 86458711123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86458711123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43229355560 + 43229355561.

It is an arithmetic number, because the mean of its divisors is an integer number (43229355561).

Almost surely, 2^86458711121 is an apocalyptic number.

It is an amenable number.

86458711121 is a deficient number, since it is larger than the sum of its proper divisors (1).

86458711121 is an equidigital number, since it uses as much as digits as its factorization.

86458711121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 44.

The spelling of 86458711121 in words is "eighty-six billion, four hundred fifty-eight million, seven hundred eleven thousand, one hundred twenty-one".