84632470187 has 2 divisors, whose sum is σ = 84632470188. Its totient is φ = 84632470186.

The previous prime is 84632470129. The next prime is 84632470193. The reversal of 84632470187 is 78107423648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84632470187 - 2²² = 84628275883 is a prime.

It is not a weakly prime, because it can be changed into another prime (84632472187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42316235093 + 42316235094.

It is an arithmetic number, because the mean of its divisors is an integer number (42316235094).

Almost surely, 2^84632470187 is an apocalyptic number.

84632470187 is a deficient number, since it is larger than the sum of its proper divisors (1).

84632470187 is an equidigital number, since it uses as much as digits as its factorization.

84632470187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 84632470187 in words is "eighty-four billion, six hundred thirty-two million, four hundred seventy thousand, one hundred eighty-seven".