1047828785 has 8 divisors (see below), whose sum is σ = 1269602880. Its totient is φ = 830124144.

The previous prime is 1047828767. The next prime is 1047828809. The reversal of 1047828785 is 5878287401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047828785 - 2¹⁰ = 1047827761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016795 + ... + 1017824.

It is an arithmetic number, because the mean of its divisors is an integer number (158700360).

Almost surely, 2^1047828785 is an apocalyptic number.

It is an amenable number.

1047828785 is a deficient number, since it is larger than the sum of its proper divisors (221774095).

1047828785 is a wasteful number, since it uses less digits than its factorization.

1047828785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034727.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The square root of 1047828785 is about 32370.1835799552. The cubic root of 1047828785 is about 1015.6952971745.

The spelling of 1047828785 in words is "one billion, forty-seven million, eight hundred twenty-eight thousand, seven hundred eighty-five".