77416445 has 8 divisors (see below), whose sum is σ = 94076160. Its totient is φ = 61148880.

The previous prime is 77416429. The next prime is 77416519. The reversal of 77416445 is 54461477.

It is a happy number.

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

It is not a de Polignac number, because 77416445 - 2⁴ = 77416429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77416399 and 77416408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97601 + ... + 98390.

It is an arithmetic number, because the mean of its divisors is an integer number (11759520).

Almost surely, 2^77416445 is an apocalyptic number.

It is an amenable number.

77416445 is a deficient number, since it is larger than the sum of its proper divisors (16659715).

77416445 is a wasteful number, since it uses less digits than its factorization.

77416445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196075.

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

The square root of 77416445 is about 8798.6615459398. The cubic root of 77416445 is about 426.1976736219.

The spelling of 77416445 in words is "seventy-seven million, four hundred sixteen thousand, four hundred forty-five".