86212662551 has 2 divisors, whose sum is σ = 86212662552. Its totient is φ = 86212662550.

The previous prime is 86212662539. The next prime is 86212662587. The reversal of 86212662551 is 15526621268.

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-86212662551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86212662511) 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, 43106331275 + 43106331276.

It is an arithmetic number, because the mean of its divisors is an integer number (43106331276).

Almost surely, 2^86212662551 is an apocalyptic number.

86212662551 is a deficient number, since it is larger than the sum of its proper divisors (1).

86212662551 is an equidigital number, since it uses as much as digits as its factorization.

86212662551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The spelling of 86212662551 in words is "eighty-six billion, two hundred twelve million, six hundred sixty-two thousand, five hundred fifty-one".