87226820147 has 2 divisors, whose sum is σ = 87226820148. Its totient is φ = 87226820146.

The previous prime is 87226820141. The next prime is 87226820167. The reversal of 87226820147 is 74102862278.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87226820147 - 2²⁶ = 87159711283 is a prime.

It is not a weakly prime, because it can be changed into another prime (87226820141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43613410073 + 43613410074.

It is an arithmetic number, because the mean of its divisors is an integer number (43613410074).

Almost surely, 2^87226820147 is an apocalyptic number.

87226820147 is a deficient number, since it is larger than the sum of its proper divisors (1).

87226820147 is an equidigital number, since it uses as much as digits as its factorization.

87226820147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 87226820147 in words is "eighty-seven billion, two hundred twenty-six million, eight hundred twenty thousand, one hundred forty-seven".