760455505681 has 3 divisors (see below), whose sum is σ = 760456377723. Its totient is φ = 760454633640.

The previous prime is 760455505669. The next prime is 760455505699. The reversal of 760455505681 is 186505554067.

It is a happy number.

The square root of 760455505681 is 872041.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 177065065681 + 583390440000 = 420791^2 + 763800^2 .

It is not a de Polignac number, because 760455505681 - 2⁹ = 760455505169 is a prime.

It is a super-2 number, since 2×760455505681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (760455205681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 436021 + ... + 1308061.

It is an arithmetic number, because the mean of its divisors is an integer number (253485459241).

Almost surely, 2^760455505681 is an apocalyptic number.

760455505681 is the 872041-st square number.

760455505681 is the 436021-st centered octagonal number.

It is an amenable number.

760455505681 is a deficient number, since it is larger than the sum of its proper divisors (872042).

760455505681 is an frugal number, since it uses more digits than its factorization.

760455505681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744082 (or 872041 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 760455505681 in words is "seven hundred sixty billion, four hundred fifty-five million, five hundred five thousand, six hundred eighty-one".