77343485007 has 4 divisors (see below), whose sum is σ = 103124646680. Its totient is φ = 51562323336.

The previous prime is 77343484997. The next prime is 77343485027. The reversal of 77343485007 is 70058434377.

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

It is not a de Polignac number, because 77343485007 - 2¹⁰ = 77343483983 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 (77343485027) 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, 12890580832 + ... + 12890580837.

It is an arithmetic number, because the mean of its divisors is an integer number (25781161670).

Almost surely, 2^77343485007 is an apocalyptic number.

77343485007 is a deficient number, since it is larger than the sum of its proper divisors (25781161673).

77343485007 is a wasteful number, since it uses less digits than its factorization.

77343485007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25781161672.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 77343485007 in words is "seventy-seven billion, three hundred forty-three million, four hundred eighty-five thousand, seven".