766360845 has 20 divisors (see below), whose sum is σ = 1373773500. Its totient is φ = 408725568.

The previous prime is 766360811. The next prime is 766360871. The reversal of 766360845 is 548063667.

766360845 is a `hidden beast` number, since 7 + 6 + 636 + 0 + 8 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 221325129 + 545035716 = 14877^2 + 23346^2 .

It is not a de Polignac number, because 766360845 - 2⁷ = 766360717 is a prime.

It is a super-2 number, since 2×766360845² = 1174617889498228050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 766360845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 945720 + ... + 946529.

It is an arithmetic number, because the mean of its divisors is an integer number (68688675).

Almost surely, 2^766360845 is an apocalyptic number.

It is an amenable number.

766360845 is a deficient number, since it is larger than the sum of its proper divisors (607412655).

766360845 is a wasteful number, since it uses less digits than its factorization.

766360845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892266 (or 1892257 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 766360845 is about 27683.2231685546. The cubic root of 766360845 is about 915.1194146755.

The spelling of 766360845 in words is "seven hundred sixty-six million, three hundred sixty thousand, eight hundred forty-five".