77456325305 has 8 divisors (see below), whose sum is σ = 92951057472. Its totient is φ = 61962748848.

The previous prime is 77456325263. The next prime is 77456325311. The reversal of 77456325305 is 50352365477.

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 77456325305 - 2⁸ = 77456325049 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 77456325305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133919 + ... + 415748.

It is an arithmetic number, because the mean of its divisors is an integer number (11618882184).

Almost surely, 2^77456325305 is an apocalyptic number.

It is an amenable number.

77456325305 is a deficient number, since it is larger than the sum of its proper divisors (15494732167).

77456325305 is a wasteful number, since it uses less digits than its factorization.

77456325305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577855.

The product of its (nonzero) digits is 2646000, while the sum is 47.

The spelling of 77456325305 in words is "seventy-seven billion, four hundred fifty-six million, three hundred twenty-five thousand, three hundred five".