63872781083 has 8 divisors (see below), whose sum is σ = 65951926656. Its totient is φ = 61794806400.

The previous prime is 63872781029. The next prime is 63872781107. The reversal of 63872781083 is 38018727836.

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 63872781083 - 2²⁸ = 63604345627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63872781683) 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, 181166 + ... + 400707.

It is an arithmetic number, because the mean of its divisors is an integer number (8243990832).

Almost surely, 2^63872781083 is an apocalyptic number.

63872781083 is a deficient number, since it is larger than the sum of its proper divisors (2079145573).

63872781083 is a wasteful number, since it uses less digits than its factorization.

63872781083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585445.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 63872781083 in words is "sixty-three billion, eight hundred seventy-two million, seven hundred eighty-one thousand, eighty-three".