87755281403 has 2 divisors, whose sum is σ = 87755281404. Its totient is φ = 87755281402.

The previous prime is 87755281381. The next prime is 87755281417. The reversal of 87755281403 is 30418255778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87755281403 - 2¹⁸ = 87755019259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (87755281303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43877640701 + 43877640702.

It is an arithmetic number, because the mean of its divisors is an integer number (43877640702).

Almost surely, 2^87755281403 is an apocalyptic number.

87755281403 is a deficient number, since it is larger than the sum of its proper divisors (1).

87755281403 is an equidigital number, since it uses as much as digits as its factorization.

87755281403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 87755281403 in words is "eighty-seven billion, seven hundred fifty-five million, two hundred eighty-one thousand, four hundred three".