63867958974525 has 48 divisors (see below), whose sum is σ = 111173259456000. Its totient is φ = 32264145696960.

The previous prime is 63867958974493. The next prime is 63867958974529. The reversal of 63867958974525 is 52547985976836.

It is not a de Polignac number, because 63867958974525 - 2⁵ = 63867958974493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63867958974529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3542842 + ... + 11844308.

It is an arithmetic number, because the mean of its divisors is an integer number (2316109572000).

Almost surely, 2^{63867958974525} is an apocalyptic number.

It is an amenable number.

63867958974525 is a deficient number, since it is larger than the sum of its proper divisors (47305300481475).

63867958974525 is a wasteful number, since it uses less digits than its factorization.

63867958974525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306898 (or 8306893 counting only the distinct ones).

The product of its digits is 27433728000, while the sum is 84.

The spelling of 63867958974525 in words is "sixty-three trillion, eight hundred sixty-seven billion, nine hundred fifty-eight million, nine hundred seventy-four thousand, five hundred twenty-five".