77907134473 has 8 divisors (see below), whose sum is σ = 91443123392. Its totient is φ = 64972745136.

The previous prime is 77907134441. The next prime is 77907134521. The reversal of 77907134473 is 37443170977.

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 77907134473 - 2⁵ = 77907134441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77907134473.

It is not an unprimeable number, because it can be changed into a prime (77907131473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150399615 + ... + 150400132.

It is an arithmetic number, because the mean of its divisors is an integer number (11430390424).

Almost surely, 2^77907134473 is an apocalyptic number.

It is an amenable number.

77907134473 is a deficient number, since it is larger than the sum of its proper divisors (13535988919).

77907134473 is a wasteful number, since it uses less digits than its factorization.

77907134473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300799791.

The product of its (nonzero) digits is 3111696, while the sum is 52.

The spelling of 77907134473 in words is "seventy-seven billion, nine hundred seven million, one hundred thirty-four thousand, four hundred seventy-three".