1308978884472 has 64 divisors (see below), whose sum is σ = 3787280716800. Its totient is φ = 369259862400.

The previous prime is 1308978884431. The next prime is 1308978884527. The reversal of 1308978884472 is 2744888798031.

It is a junction number, because it is equal to n+sod(n) for n = 1308978884397 and 1308978884406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49300279 + ... + 49326822.

It is an arithmetic number, because the mean of its divisors is an integer number (59176261200).

Almost surely, 2^{1308978884472} is an apocalyptic number.

1308978884472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1308978884472 is an abundant number, since it is smaller than the sum of its proper divisors (2478301832328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1308978884472 is a wasteful number, since it uses less digits than its factorization.

1308978884472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98627196 (or 98627192 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 69.

The spelling of 1308978884472 in words is "one trillion, three hundred eight billion, nine hundred seventy-eight million, eight hundred eighty-four thousand, four hundred seventy-two".