1047870000 has 200 divisors, whose sum is σ = 3759484080. Its totient is φ = 279360000.

The previous prime is 1047869993. The next prime is 1047870001. The reversal of 1047870000 is 787401.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1047870001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 268060 + ... + 271940.

Almost surely, 2^1047870000 is an apocalyptic number.

1047870000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879742040).

1047870000 is an abundant number, since it is smaller than the sum of its proper divisors (2711614080).

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

1047870000 is an equidigital number, since it uses as much as digits as its factorization.

1047870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 3891 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1047870000 is about 32370.8201935014. The cubic root of 1047870000 is about 1015.7086140234.

The spelling of 1047870000 in words is "one billion, forty-seven million, eight hundred seventy thousand".