766440058365 has 12 divisors (see below), whose sum is σ = 1328496101244. Its totient is φ = 408768031104.

The previous prime is 766440058343. The next prime is 766440058367. The reversal of 766440058365 is 563850044667.

766440058365 is a `hidden beast` number, since 7 + 66 + 440 + 0 + 5 + 83 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 609181811001 + 157258247364 = 780501^2 + 396558^2 .

It is not a de Polignac number, because 766440058365 - 2¹⁷ = 766439927293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766440058367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8516000604 + ... + 8516000693.

It is an arithmetic number, because the mean of its divisors is an integer number (110708008437).

Almost surely, 2^766440058365 is an apocalyptic number.

It is an amenable number.

766440058365 is a deficient number, since it is larger than the sum of its proper divisors (562056042879).

766440058365 is a wasteful number, since it uses less digits than its factorization.

766440058365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17032001308 (or 17032001305 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 766440058365 in words is "seven hundred sixty-six billion, four hundred forty million, fifty-eight thousand, three hundred sixty-five".