63081406587 has 8 divisors (see below), whose sum is σ = 84111032320. Its totient is φ = 42053025960.

The previous prime is 63081406519. The next prime is 63081406621. The reversal of 63081406587 is 78560418036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63081406587 - 2⁸ = 63081406331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63081406517) 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 in 7 ways as a sum of consecutive naturals, for example, 185839 + ... + 400872.

It is an arithmetic number, because the mean of its divisors is an integer number (10513879040).

Almost surely, 2^63081406587 is an apocalyptic number.

63081406587 is a deficient number, since it is larger than the sum of its proper divisors (21029625733).

63081406587 is a wasteful number, since it uses less digits than its factorization.

63081406587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622553.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 63081406587 in words is "sixty-three billion, eighty-one million, four hundred six thousand, five hundred eighty-seven".