84633122551 has 2 divisors, whose sum is σ = 84633122552. Its totient is φ = 84633122550.

The previous prime is 84633122543. The next prime is 84633122569. The reversal of 84633122551 is 15522133648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84633122551 - 2³ = 84633122543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84633122501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42316561275 + 42316561276.

It is an arithmetic number, because the mean of its divisors is an integer number (42316561276).

Almost surely, 2^84633122551 is an apocalyptic number.

84633122551 is a deficient number, since it is larger than the sum of its proper divisors (1).

84633122551 is an equidigital number, since it uses as much as digits as its factorization.

84633122551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The spelling of 84633122551 in words is "eighty-four billion, six hundred thirty-three million, one hundred twenty-two thousand, five hundred fifty-one".