765163745090 has 8 divisors (see below), whose sum is σ = 1377294741180. Its totient is φ = 306065498032.

The previous prime is 765163745063. The next prime is 765163745107. The reversal of 765163745090 is 90547361567.

It can be written as a sum of positive squares in 2 ways, for example, as 741395047849 + 23768697241 = 861043^2 + 154171^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38258187245 + ... + 38258187264.

Almost surely, 2^765163745090 is an apocalyptic number.

765163745090 is a deficient number, since it is larger than the sum of its proper divisors (612130996090).

765163745090 is a wasteful number, since it uses less digits than its factorization.

765163745090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76516374516.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 765163745090 in words is "seven hundred sixty-five billion, one hundred sixty-three million, seven hundred forty-five thousand, ninety".