63078873387 has 16 divisors (see below), whose sum is σ = 86199564192. Its totient is φ = 41006407680.

The previous prime is 63078873379. The next prime is 63078873463. The reversal of 63078873387 is 78337887036.

It is not a de Polignac number, because 63078873387 - 2³ = 63078873379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63078873387.

It is not an unprimeable number, because it can be changed into a prime (63078873287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120963 + ... + 375219.

It is an arithmetic number, because the mean of its divisors is an integer number (5387472762).

Almost surely, 2^63078873387 is an apocalyptic number.

63078873387 is a deficient number, since it is larger than the sum of its proper divisors (23120690805).

63078873387 is a wasteful number, since it uses less digits than its factorization.

63078873387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256318.

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 63078873387 in words is "sixty-three billion, seventy-eight million, eight hundred seventy-three thousand, three hundred eighty-seven".