77750606 has 4 divisors (see below), whose sum is σ = 116625912. Its totient is φ = 38875302.

The previous prime is 77750599. The next prime is 77750611. The reversal of 77750606 is 60605777.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77750606.

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, 19437650 + ... + 19437653.

It is an arithmetic number, because the mean of its divisors is an integer number (29156478).

Almost surely, 2^77750606 is an apocalyptic number.

77750606 is a deficient number, since it is larger than the sum of its proper divisors (38875306).

77750606 is a wasteful number, since it uses less digits than its factorization.

77750606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38875305.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 77750606 is about 8817.6304073147. The cubic root of 77750606 is about 426.8100078550.

The spelling of 77750606 in words is "seventy-seven million, seven hundred fifty thousand, six hundred six".