77314445 has 8 divisors (see below), whose sum is σ = 99914136. Its totient is φ = 57093696.

The previous prime is 77314429. The next prime is 77314451. The reversal of 77314445 is 54441377.

It can be written as a sum of positive squares in 4 ways, for example, as 3818116 + 73496329 = 1954^2 + 8573^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 77314445 - 2⁴ = 77314429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594662 + ... + 594791.

It is an arithmetic number, because the mean of its divisors is an integer number (12489267).

Almost surely, 2^77314445 is an apocalyptic number.

It is an amenable number.

77314445 is a deficient number, since it is larger than the sum of its proper divisors (22599691).

77314445 is a wasteful number, since it uses less digits than its factorization.

77314445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189471.

The product of its digits is 47040, while the sum is 35.

The square root of 77314445 is about 8792.8632992899. The cubic root of 77314445 is about 426.0104125090.

The spelling of 77314445 in words is "seventy-seven million, three hundred fourteen thousand, four hundred forty-five".