777672064513 has 8 divisors (see below), whose sum is σ = 804171172608. Its totient is φ = 751610958384.

The previous prime is 777672064501. The next prime is 777672064621. The reversal of 777672064513 is 315460276777.

777672064513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-777672064513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (777672064913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109496881 + ... + 109503982.

It is an arithmetic number, because the mean of its divisors is an integer number (100521396576).

Almost surely, 2^777672064513 is an apocalyptic number.

It is an amenable number.

777672064513 is a deficient number, since it is larger than the sum of its proper divisors (26499108095).

777672064513 is a wasteful number, since it uses less digits than its factorization.

777672064513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219000983.

The product of its (nonzero) digits is 10372320, while the sum is 55.

The spelling of 777672064513 in words is "seven hundred seventy-seven billion, six hundred seventy-two million, sixty-four thousand, five hundred thirteen".