761386385 has 4 divisors (see below), whose sum is σ = 913663668. Its totient is φ = 609109104.

The previous prime is 761386357. The next prime is 761386397. The reversal of 761386385 is 583683167.

It is a happy number.

761386385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112614544 + 648771841 = 10612^2 + 25471^2 .

It is a cyclic number.

It is not a de Polignac number, because 761386385 - 2¹⁸ = 761124241 is a prime.

It is a Duffinian number.

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, 76138634 + ... + 76138643.

It is an arithmetic number, because the mean of its divisors is an integer number (228415917).

Almost surely, 2^761386385 is an apocalyptic number.

It is an amenable number.

761386385 is a deficient number, since it is larger than the sum of its proper divisors (152277283).

761386385 is a wasteful number, since it uses less digits than its factorization.

761386385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152277282.

The product of its digits is 725760, while the sum is 47.

The square root of 761386385 is about 27593.2307822045. The cubic root of 761386385 is about 913.1350969976.

The spelling of 761386385 in words is "seven hundred sixty-one million, three hundred eighty-six thousand, three hundred eighty-five".