690224804577765 has 48 divisors (see below), whose sum is σ = 1226222843869296. Its totient is φ = 358950021964800.

The previous prime is 690224804577733. The next prime is 690224804577853. The reversal of 690224804577765 is 567775408422096.

690224804577765 is a `hidden beast` number, since 6 + 9 + 0 + 2 + 2 + 48 + 0 + 4 + 577 + 7 + 6 + 5 = 666.

690224804577765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 257154803386209 + 433070001191556 = 16036047^2 + 20810334^2 .

It is not a de Polignac number, because 690224804577765 - 2⁵ = 690224804577733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690224804577693 and 690224804577702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96192126 + ... + 103118255.

It is an arithmetic number, because the mean of its divisors is an integer number (25546309247277).

Almost surely, 2^{690224804577765} is an apocalyptic number.

It is an amenable number.

690224804577765 is a deficient number, since it is larger than the sum of its proper divisors (535998039291531).

690224804577765 is a wasteful number, since it uses less digits than its factorization.

690224804577765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199312310 (or 199312307 counting only the distinct ones).

The product of its (nonzero) digits is 1422489600, while the sum is 72.

The spelling of 690224804577765 in words is "six hundred ninety trillion, two hundred twenty-four billion, eight hundred four million, five hundred seventy-seven thousand, seven hundred sixty-five".