1063980139887 has 96 divisors (see below), whose sum is σ = 1830461068800. Its totient is φ = 582998397696.

The previous prime is 1063980139861. The next prime is 1063980139891. The reversal of 1063980139887 is 7889310893601.

1063980139887 is a `hidden beast` number, since 106 + 398 + 0 + 139 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 1063980139887 - 2¹² = 1063980135791 is a prime.

It is a super-2 number, since 2×1063980139887² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063980139847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34065564 + ... + 34096782.

It is an arithmetic number, because the mean of its divisors is an integer number (19067302800).

Almost surely, 2^{1063980139887} is an apocalyptic number.

1063980139887 is a deficient number, since it is larger than the sum of its proper divisors (766480928913).

1063980139887 is a wasteful number, since it uses less digits than its factorization.

1063980139887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31517 (or 31514 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 1063980139887 in words is "one trillion, sixty-three billion, nine hundred eighty million, one hundred thirty-nine thousand, eight hundred eighty-seven".