1147447876 has 9 divisors (see below), whose sum is σ = 2008152349. Its totient is φ = 573690064.

The previous prime is 1147447849. The next prime is 1147447883. The reversal of 1147447876 is 6787447411.

The square root of 1147447876 is 33874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 398002500 + 749445376 = 19950^2 + 27376^2 .

It is a super-2 number, since 2×1147447876² = 2633273256273822752, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 59280 + ... + 76216.

Almost surely, 2^1147447876 is an apocalyptic number.

1147447876 is the 33874-th square number.

It is an amenable number.

1147447876 is a deficient number, since it is larger than the sum of its proper divisors (860704473).

1147447876 is an frugal number, since it uses more digits than its factorization.

1147447876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33878 (or 16939 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 49.

The cubic root of 1147447876 is about 1046.9139548953.

Multiplying 1147447876 by its sum of digits (49), we get a square (56224945924 = 237118²).

The spelling of 1147447876 in words is "one billion, one hundred forty-seven million, four hundred forty-seven thousand, eight hundred seventy-six".