77770602226 has 8 divisors (see below), whose sum is σ = 116658455004. Its totient is φ = 38884450560.

The previous prime is 77770602223. The next prime is 77770602227. The reversal of 77770602226 is 62220607777.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47893134025 + 29877468201 = 218845^2 + 172851^2 .

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

It is not an unprimeable number, because it can be changed into a prime (77770602223) 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, 304075 + ... + 497998.

Almost surely, 2^77770602226 is an apocalyptic number.

77770602226 is a deficient number, since it is larger than the sum of its proper divisors (38887852778).

77770602226 is a wasteful number, since it uses less digits than its factorization.

77770602226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850556.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 77770602226 in words is "seventy-seven billion, seven hundred seventy million, six hundred two thousand, two hundred twenty-six".