77416223 has 4 divisors (see below), whose sum is σ = 77445600. Its totient is φ = 77386848.

The previous prime is 77416219. The next prime is 77416231. The reversal of 77416223 is 32261477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32261477 = 71 ⋅454387.

It is a cyclic number.

It is not a de Polignac number, because 77416223 - 2² = 77416219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77416223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77416253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10298 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (19361400).

Almost surely, 2^77416223 is an apocalyptic number.

77416223 is a deficient number, since it is larger than the sum of its proper divisors (29377).

77416223 is a wasteful number, since it uses less digits than its factorization.

77416223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29376.

The product of its digits is 14112, while the sum is 32.

The square root of 77416223 is about 8798.6489303756. The cubic root of 77416223 is about 426.1972662322.

The spelling of 77416223 in words is "seventy-seven million, four hundred sixteen thousand, two hundred twenty-three".