1207984887400 has 96 divisors (see below), whose sum is σ = 2951553543840. Its totient is φ = 459201173760.

The previous prime is 1207984887397. The next prime is 1207984887407. The reversal of 1207984887400 is 47884897021.

It is not an unprimeable number, because it can be changed into a prime (1207984887407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1579954 + ... + 2216353.

It is an arithmetic number, because the mean of its divisors is an integer number (30745349415).

Almost surely, 2^{1207984887400} is an apocalyptic number.

1207984887400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207984887400 is an abundant number, since it is smaller than the sum of its proper divisors (1743568656440).

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

1207984887400 is a wasteful number, since it uses less digits than its factorization.

1207984887400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796403 (or 3796394 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 58.

The spelling of 1207984887400 in words is "one trillion, two hundred seven billion, nine hundred eighty-four million, eight hundred eighty-seven thousand, four hundred".