77896412 has 36 divisors (see below), whose sum is σ = 150710280. Its totient is φ = 35201760.

The previous prime is 77896393. The next prime is 77896421. The reversal of 77896412 is 21469877.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 109514 + ... + 110222.

Almost surely, 2^77896412 is an apocalyptic number.

It is an amenable number.

77896412 is a deficient number, since it is larger than the sum of its proper divisors (72813868).

77896412 is a wasteful number, since it uses less digits than its factorization.

77896412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 949 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 77896412 is about 8825.8944022688. The cubic root of 77896412 is about 427.0766407158.

The spelling of 77896412 in words is "seventy-seven million, eight hundred ninety-six thousand, four hundred twelve".