77008343 has 4 divisors (see below), whose sum is σ = 77499000. Its totient is φ = 76517688.

The previous prime is 77008333. The next prime is 77008381. The reversal of 77008343 is 34380077.

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

It is a cyclic number.

It is not a de Polignac number, because 77008343 - 2¹⁰ = 77007319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77008333) 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, 245093 + ... + 245406.

It is an arithmetic number, because the mean of its divisors is an integer number (19374750).

Almost surely, 2^77008343 is an apocalyptic number.

77008343 is a deficient number, since it is larger than the sum of its proper divisors (490657).

77008343 is a wasteful number, since it uses less digits than its factorization.

77008343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490656.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 77008343 is about 8775.4397610604. The cubic root of 77008343 is about 425.4474512375.

The spelling of 77008343 in words is "seventy-seven million, eight thousand, three hundred forty-three".