77716226 has 8 divisors (see below), whose sum is σ = 133227840. Its totient is φ = 33306948.

The previous prime is 77716217. The next prime is 77716229. The reversal of 77716226 is 62261777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77716226.

It is not an unprimeable number, because it can be changed into a prime (77716229) 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 in 3 ways as a sum of consecutive naturals, for example, 2775566 + ... + 2775593.

It is an arithmetic number, because the mean of its divisors is an integer number (16653480).

Almost surely, 2^77716226 is an apocalyptic number.

77716226 is a deficient number, since it is larger than the sum of its proper divisors (55511614).

77716226 is a wasteful number, since it uses less digits than its factorization.

77716226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551168.

The product of its digits is 49392, while the sum is 38.

The square root of 77716226 is about 8815.6806884097. The cubic root of 77716226 is about 426.7470891967.

The spelling of 77716226 in words is "seventy-seven million, seven hundred sixteen thousand, two hundred twenty-six".