77163112 has 32 divisors (see below), whose sum is σ = 157437000. Its totient is φ = 35241984.

The previous prime is 77163011. The next prime is 77163131. The reversal of 77163112 is 21136177.

It can be written as a sum of positive squares in 4 ways, for example, as 29746116 + 47416996 = 5454^2 + 6886^2 .

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, 6264 + ... + 13912.

Almost surely, 2^77163112 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 77163112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78718500).

77163112 is an abundant number, since it is smaller than the sum of its proper divisors (80273888).

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

77163112 is a wasteful number, since it uses less digits than its factorization.

77163112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7765 (or 7761 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 77163112 is about 8784.2536393253. The cubic root of 77163112 is about 425.7322775797.

Adding to 77163112 its reverse (21136177), we get a palindrome (98299289).

The spelling of 77163112 in words is "seventy-seven million, one hundred sixty-three thousand, one hundred twelve".