63850884387 has 4 divisors (see below), whose sum is σ = 85134512520. Its totient is φ = 42567256256.

The previous prime is 63850884353. The next prime is 63850884403. The reversal of 63850884387 is 78348805836.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63850884387 - 2²⁰ = 63849835811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63850884387.

It is not an unprimeable number, because it can be changed into a prime (63850884347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10641814062 + ... + 10641814067.

It is an arithmetic number, because the mean of its divisors is an integer number (21283628130).

Almost surely, 2^63850884387 is an apocalyptic number.

63850884387 is a deficient number, since it is larger than the sum of its proper divisors (21283628133).

63850884387 is a wasteful number, since it uses less digits than its factorization.

63850884387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283628132.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 63850884387 in words is "sixty-three billion, eight hundred fifty million, eight hundred eighty-four thousand, three hundred eighty-seven".