1147811796 has 60 divisors (see below), whose sum is σ = 3006999072. Its totient is φ = 381789072.

The previous prime is 1147811789. The next prime is 1147811801. The reversal of 1147811796 is 6971187411.

1147811796 is a `hidden beast` number, since 1 + 1 + 478 + 1 + 179 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 159451 + ... + 166493.

Almost surely, 2^1147811796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147811796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503499536).

1147811796 is an abundant number, since it is smaller than the sum of its proper divisors (1859187276).

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

1147811796 is a wasteful number, since it uses less digits than its factorization.

1147811796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562 (or 7551 counting only the distinct ones).

The product of its digits is 84672, while the sum is 45.

The square root of 1147811796 is about 33879.3712456415. The cubic root of 1147811796 is about 1047.0246215505.

The spelling of 1147811796 in words is "one billion, one hundred forty-seven million, eight hundred eleven thousand, seven hundred ninety-six".