77752112 has 10 divisors (see below), whose sum is σ = 150644748. Its totient is φ = 38876048.

The previous prime is 77752111. The next prime is 77752117. The reversal of 77752112 is 21125777.

It is not an unprimeable number, because it can be changed into a prime (77752111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2429738 + ... + 2429769.

Almost surely, 2^77752112 is an apocalyptic number.

It is an amenable number.

77752112 is a deficient number, since it is larger than the sum of its proper divisors (72892636).

77752112 is a wasteful number, since it uses less digits than its factorization.

77752112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859515 (or 4859509 counting only the distinct ones).

The product of its digits is 6860, while the sum is 32.

The square root of 77752112 is about 8817.7158039937. The cubic root of 77752112 is about 426.8127635537.

Adding to 77752112 its reverse (21125777), we get a palindrome (98877889).

The spelling of 77752112 in words is "seventy-seven million, seven hundred fifty-two thousand, one hundred twelve".