771326413 has 32 divisors (see below), whose sum is σ = 995420160. Its totient is φ = 586491840.

The previous prime is 771326393. The next prime is 771326417. The reversal of 771326413 is 314623177.

It is not a de Polignac number, because 771326413 - 2²¹ = 769229261 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771326417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56320 + ... + 68662.

It is an arithmetic number, because the mean of its divisors is an integer number (31106880).

Almost surely, 2^771326413 is an apocalyptic number.

It is an amenable number.

771326413 is a deficient number, since it is larger than the sum of its proper divisors (224093747).

771326413 is a wasteful number, since it uses less digits than its factorization.

771326413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409.

The product of its digits is 21168, while the sum is 34.

The square root of 771326413 is about 27772.7638703821. The cubic root of 771326413 is about 917.0916398782.

It can be divided in two parts, 771 and 326413, that added together give a square (327184 = 572²).

The spelling of 771326413 in words is "seven hundred seventy-one million, three hundred twenty-six thousand, four hundred thirteen".