77313416 has 16 divisors (see below), whose sum is σ = 153490140. Its totient is φ = 36382720.

The previous prime is 77313407. The next prime is 77313427. The reversal of 77313416 is 61431377.

It can be written as a sum of positive squares in 2 ways, for example, as 66357316 + 10956100 = 8146^2 + 3310^2 .

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 3 ways as a sum of consecutive naturals, for example, 284105 + ... + 284376.

Almost surely, 2^77313416 is an apocalyptic number.

It is an amenable number.

77313416 is a deficient number, since it is larger than the sum of its proper divisors (76176724).

77313416 is a wasteful number, since it uses less digits than its factorization.

77313416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568504 (or 568500 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 77313416 is about 8792.8047857325. The cubic root of 77313416 is about 426.0085225359.

The spelling of 77313416 in words is "seventy-seven million, three hundred thirteen thousand, four hundred sixteen".