77499112 has 8 divisors (see below), whose sum is σ = 145310850. Its totient is φ = 38749552.

The previous prime is 77499077. The next prime is 77499131. The reversal of 77499112 is 21199477.

It can be written as a sum of positive squares in only one way, i.e., 51753636 + 25745476 = 7194^2 + 5074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×77499112² = 12012224721577088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843687 + ... + 4843702.

Almost surely, 2^77499112 is an apocalyptic number.

It is an amenable number.

77499112 is a deficient number, since it is larger than the sum of its proper divisors (67811738).

77499112 is a wasteful number, since it uses less digits than its factorization.

77499112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687395 (or 9687391 counting only the distinct ones).

The product of its digits is 31752, while the sum is 40.

The square root of 77499112 is about 8803.3579956742. The cubic root of 77499112 is about 426.3493207723.

It can be divided in two parts, 7749 and 9112, that added together give a palindrome (16861).

The spelling of 77499112 in words is "seventy-seven million, four hundred ninety-nine thousand, one hundred twelve".