87440101663 has 2 divisors, whose sum is σ = 87440101664. Its totient is φ = 87440101662.

The previous prime is 87440101657. The next prime is 87440101669. The reversal of 87440101663 is 36610104478.

It is a balanced prime because it is at equal distance from previous prime (87440101657) and next prime (87440101669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87440101663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87440101669) 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, 43720050831 + 43720050832.

It is an arithmetic number, because the mean of its divisors is an integer number (43720050832).

Almost surely, 2^87440101663 is an apocalyptic number.

87440101663 is a deficient number, since it is larger than the sum of its proper divisors (1).

87440101663 is an equidigital number, since it uses as much as digits as its factorization.

87440101663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 87440101663 in words is "eighty-seven billion, four hundred forty million, one hundred one thousand, six hundred sixty-three".