1047888836 has 12 divisors (see below), whose sum is σ = 1930321680. Its totient is φ = 496368360.

The previous prime is 1047888833. The next prime is 1047888847. The reversal of 1047888836 is 6388887401.

It is a happy number.

It is a super-3 number, since 3×1047888836³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1047888833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6893930 + ... + 6894081.

It is an arithmetic number, because the mean of its divisors is an integer number (160860140).

Almost surely, 2^1047888836 is an apocalyptic number.

It is an amenable number.

1047888836 is a deficient number, since it is larger than the sum of its proper divisors (882432844).

1047888836 is a wasteful number, since it uses less digits than its factorization.

1047888836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788034 (or 13788032 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The square root of 1047888836 is about 32371.1111332311. Note that the first 4 decimals coincide. The cubic root of 1047888836 is about 1015.7146999478.

The spelling of 1047888836 in words is "one billion, forty-seven million, eight hundred eighty-eight thousand, eight hundred thirty-six".