1047788928 has 48 divisors (see below), whose sum is σ = 3015125100. Its totient is φ = 349262592.

The previous prime is 1047788923. The next prime is 1047788941. The reversal of 1047788928 is 8298877401.

It is a happy number.

1047788928 is a `hidden beast` number, since 1 + 0 + 477 + 88 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047788923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 453618 + ... + 455921.

Almost surely, 2^1047788928 is an apocalyptic number.

1047788928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1047788928 is an abundant number, since it is smaller than the sum of its proper divisors (1967336172).

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

1047788928 is an equidigital number, since it uses as much as digits as its factorization.

1047788928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909559 (or 909544 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The square root of 1047788928 is about 32369.5679303879. The cubic root of 1047788928 is about 1015.6824187725.

The spelling of 1047788928 in words is "one billion, forty-seven million, seven hundred eighty-eight thousand, nine hundred twenty-eight".