1047795912 has 160 divisors (see below), whose sum is σ = 3085790400. Its totient is φ = 331537536.

The previous prime is 1047795887. The next prime is 1047795913. The reversal of 1047795912 is 2195977401.

1047795912 is a `hidden beast` number, since 1 + 0 + 477 + 95 + 91 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1047795913) 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, 3412863 + ... + 3413169.

It is an arithmetic number, because the mean of its divisors is an integer number (19286190).

Almost surely, 2^1047795912 is an apocalyptic number.

1047795912 is a gapful number since it is divisible by the number (12) 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 1047795912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542895200).

1047795912 is an abundant number, since it is smaller than the sum of its proper divisors (2037994488).

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

1047795912 is a wasteful number, since it uses less digits than its factorization.

1047795912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 1047795912 is about 32369.6758093126. The cubic root of 1047795912 is about 1015.6846754326.

The spelling of 1047795912 in words is "one billion, forty-seven million, seven hundred ninety-five thousand, nine hundred twelve".