63960371087 has 8 divisors (see below), whose sum is σ = 66953521152. Its totient is φ = 61025340600.

The previous prime is 63960371021. The next prime is 63960371089. The reversal of 63960371087 is 78017306936.

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

It is a cyclic number.

It is not a de Polignac number, because 63960371087 - 2¹⁸ = 63960108943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63960371089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14527643 + ... + 14532044.

It is an arithmetic number, because the mean of its divisors is an integer number (8369190144).

Almost surely, 2^63960371087 is an apocalyptic number.

63960371087 is a deficient number, since it is larger than the sum of its proper divisors (2993150065).

63960371087 is a wasteful number, since it uses less digits than its factorization.

63960371087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29059789.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 63960371087 in words is "sixty-three billion, nine hundred sixty million, three hundred seventy-one thousand, eighty-seven".