775138682000 has 80 divisors (see below), whose sum is σ = 1874476156800. Its totient is φ = 310023907200.

The previous prime is 775138681991. The next prime is 775138682057. The reversal of 775138682000 is 286831577.

It is a happy number.

775138682000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36867491 + ... + 36888509.

It is an arithmetic number, because the mean of its divisors is an integer number (23430951960).

Almost surely, 2^775138682000 is an apocalyptic number.

It is an amenable number.

775138682000 is an abundant number, since it is smaller than the sum of its proper divisors (1099337474800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

775138682000 is a wasteful number, since it uses less digits than its factorization.

775138682000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39481 (or 39465 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 775138682000 in words is "seven hundred seventy-five billion, one hundred thirty-eight million, six hundred eighty-two thousand".