774470463161 has 16 divisors (see below), whose sum is σ = 788498439120. Its totient is φ = 760486475520.

The previous prime is 774470463127. The next prime is 774470463187. The reversal of 774470463161 is 161364074477.

It can be written as a sum of positive squares in 8 ways, for example, as 184400677561 + 590069785600 = 429419^2 + 768160^2 .

It is a cyclic number.

It is not a de Polignac number, because 774470463161 - 2⁶ = 774470463097 is a prime.

It is a super-2 number, since 2×774470463161² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (774470463101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192988391 + ... + 192992403.

It is an arithmetic number, because the mean of its divisors is an integer number (49281152445).

Almost surely, 2^774470463161 is an apocalyptic number.

It is an amenable number.

774470463161 is a deficient number, since it is larger than the sum of its proper divisors (14027975959).

774470463161 is a wasteful number, since it uses less digits than its factorization.

774470463161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 774470463161 in words is "seven hundred seventy-four billion, four hundred seventy million, four hundred sixty-three thousand, one hundred sixty-one".