1168877385 has 96 divisors (see below), whose sum is σ = 2316682368. Its totient is φ = 561738240.

The previous prime is 1168877371. The next prime is 1168877389. The reversal of 1168877385 is 5837788611.

It is a happy number.

1168877385 is a `hidden beast` number, since 116 + 88 + 77 + 385 = 666.

It is not a de Polignac number, because 1168877385 - 2¹⁵ = 1168844617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1168877389) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 678325 + ... + 680045.

It is an arithmetic number, because the mean of its divisors is an integer number (24132108).

Almost surely, 2^1168877385 is an apocalyptic number.

1168877385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1168877385 is a deficient number, since it is larger than the sum of its proper divisors (1147804983).

1168877385 is a wasteful number, since it uses less digits than its factorization.

1168877385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1785 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 1168877385 is about 34188.8488399361. The cubic root of 1168877385 is about 1053.3911177663.

The spelling of 1168877385 in words is "one billion, one hundred sixty-eight million, eight hundred seventy-seven thousand, three hundred eighty-five".