777713006445 has 16 divisors (see below), whose sum is σ = 1247676853632. Its totient is φ = 413668255680.

The previous prime is 777713006437. The next prime is 777713006503. The reversal of 777713006445 is 544600317777.

It is not a de Polignac number, because 777713006445 - 2³ = 777713006437 is a prime.

It is a super-2 number, since 2×777713006445² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69495121 + ... + 69506310.

It is an arithmetic number, because the mean of its divisors is an integer number (77979803352).

Almost surely, 2^777713006445 is an apocalyptic number.

It is an amenable number.

777713006445 is a deficient number, since it is larger than the sum of its proper divisors (469963847187).

777713006445 is a wasteful number, since it uses less digits than its factorization.

777713006445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139001812.

The product of its (nonzero) digits is 3457440, while the sum is 51.

The spelling of 777713006445 in words is "seven hundred seventy-seven billion, seven hundred thirteen million, six thousand, four hundred forty-five".