77385422 has 8 divisors (see below), whose sum is σ = 117143400. Its totient is φ = 38337624.

The previous prime is 77385421. The next prime is 77385431. The reversal of 77385422 is 22458377.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77385421) 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, 177272 + ... + 177707.

It is an arithmetic number, because the mean of its divisors is an integer number (14642925).

Almost surely, 2^77385422 is an apocalyptic number.

77385422 is a deficient number, since it is larger than the sum of its proper divisors (39757978).

77385422 is a wasteful number, since it uses less digits than its factorization.

77385422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355090.

The product of its digits is 94080, while the sum is 38.

The square root of 77385422 is about 8796.8984306970. The cubic root of 77385422 is about 426.1407361199.

The spelling of 77385422 in words is "seventy-seven million, three hundred eighty-five thousand, four hundred twenty-two".