775138682 has 8 divisors (see below), whose sum is σ = 1162826400. Its totient is φ = 387529884.

The previous prime is 775138669. The next prime is 775138691. The reversal of 775138682 is 286831577.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26369 + ... + 47387.

It is an arithmetic number, because the mean of its divisors is an integer number (145353300).

Almost surely, 2^775138682 is an apocalyptic number.

775138682 is a deficient number, since it is larger than the sum of its proper divisors (387687718).

775138682 is a wasteful number, since it uses less digits than its factorization.

775138682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39460.

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

The square root of 775138682 is about 27841.3125049808. The cubic root of 775138682 is about 918.6000612859.

The spelling of 775138682 in words is "seven hundred seventy-five million, one hundred thirty-eight thousand, six hundred eighty-two".