1207989888 has 256 divisors, whose sum is σ = 3828867840. Its totient is φ = 330301440.

The previous prime is 1207989863. The next prime is 1207989917. The reversal of 1207989888 is 8889897021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10690120 + ... + 10690232.

It is an arithmetic number, because the mean of its divisors is an integer number (14956515).

Almost surely, 2^1207989888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1207989888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914433920).

1207989888 is an abundant number, since it is smaller than the sum of its proper divisors (2620877952).

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

1207989888 is a wasteful number, since it uses less digits than its factorization.

1207989888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 60.

The square root of 1207989888 is about 34756.1489236077. The cubic root of 1207989888 is about 1065.0118326178.

The spelling of 1207989888 in words is "one billion, two hundred seven million, nine hundred eighty-nine thousand, eight hundred eighty-eight".