63888876325 has 6 divisors (see below), whose sum is σ = 79222206674. Its totient is φ = 51111101040.

The previous prime is 63888876257. The next prime is 63888876343. The reversal of 63888876325 is 52367888836.

It can be written as a sum of positive squares in 3 ways, for example, as 18317727649 + 45571148676 = 135343^2 + 213474^2 .

It is not a de Polignac number, because 63888876325 - 2⁷ = 63888876197 is a prime.

It is a super-2 number, since 2×63888876325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1277777502 + ... + 1277777551.

Almost surely, 2^63888876325 is an apocalyptic number.

It is an amenable number.

63888876325 is a deficient number, since it is larger than the sum of its proper divisors (15333330349).

63888876325 is a wasteful number, since it uses less digits than its factorization.

63888876325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555555063 (or 2555555058 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 64.

The spelling of 63888876325 in words is "sixty-three billion, eight hundred eighty-eight million, eight hundred seventy-six thousand, three hundred twenty-five".