77225796 has 36 divisors (see below), whose sum is σ = 199974684. Its totient is φ = 25113600.

The previous prime is 77225767. The next prime is 77225809. The reversal of 77225796 is 69752277.

77225796 is a `hidden beast` number, since 7 + 72 + 2 + 579 + 6 = 666.

77225796 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 66096900 = 3336^2 + 8130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24685 + ... + 27636.

Almost surely, 2^77225796 is an apocalyptic number.

It is an amenable number.

77225796 is an abundant number, since it is smaller than the sum of its proper divisors (122748888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77225796 is a wasteful number, since it uses less digits than its factorization.

77225796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52372 (or 52367 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 77225796 is about 8787.8208903004. The cubic root of 77225796 is about 425.8475285863.

The spelling of 77225796 in words is "seventy-seven million, two hundred twenty-five thousand, seven hundred ninety-six".