1163852778 has 48 divisors (see below), whose sum is σ = 2641137408. Its totient is φ = 341299200.

The previous prime is 1163852777. The next prime is 1163852783. The reversal of 1163852778 is 8772583611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1163852777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3351 + ... + 48362.

It is an arithmetic number, because the mean of its divisors is an integer number (55023696).

Almost surely, 2^1163852778 is an apocalyptic number.

1163852778 is an abundant number, since it is smaller than the sum of its proper divisors (1477284630).

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

1163852778 is a wasteful number, since it uses less digits than its factorization.

1163852778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51771 (or 51760 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 1163852778 is about 34115.2865736168. The cubic root of 1163852778 is about 1051.8795595513.

The spelling of 1163852778 in words is "one billion, one hundred sixty-three million, eight hundred fifty-two thousand, seven hundred seventy-eight".