77350228 has 6 divisors (see below), whose sum is σ = 135362906. Its totient is φ = 38675112.

The previous prime is 77350213. The next prime is 77350237. The reversal of 77350228 is 82205377.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 36747844 = 6372^2 + 6062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77350193 and 77350202.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9668775 + ... + 9668782.

Almost surely, 2^77350228 is an apocalyptic number.

It is an amenable number.

77350228 is a deficient number, since it is larger than the sum of its proper divisors (58012678).

77350228 is a wasteful number, since it uses less digits than its factorization.

77350228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19337561 (or 19337559 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 77350228 is about 8794.8978390883. The cubic root of 77350228 is about 426.0761250221.

The spelling of 77350228 in words is "seventy-seven million, three hundred fifty thousand, two hundred twenty-eight".