77616799 has 6 divisors (see below), whose sum is σ = 84046776. Its totient is φ = 71646120.

The previous prime is 77616797. The next prime is 77616809. The reversal of 77616799 is 99761677.

It is not a de Polignac number, because 77616799 - 2¹ = 77616797 is a prime.

It is a super-3 number, since 3×77616799³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77616793) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 229467 + ... + 229804.

It is an arithmetic number, because the mean of its divisors is an integer number (14007796).

Almost surely, 2^77616799 is an apocalyptic number.

77616799 is a deficient number, since it is larger than the sum of its proper divisors (6429977).

77616799 is a wasteful number, since it uses less digits than its factorization.

77616799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459297 (or 459284 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 52.

The square root of 77616799 is about 8810.0396707393. The cubic root of 77616799 is about 426.5650238702.

The spelling of 77616799 in words is "seventy-seven million, six hundred sixteen thousand, seven hundred ninety-nine".