771934401 has 32 divisors (see below), whose sum is σ = 1308569600. Its totient is φ = 440568720.

The previous prime is 771934391. The next prime is 771934417. The reversal of 771934401 is 104439177.

It is not a de Polignac number, because 771934401 - 2¹³ = 771926209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (771934601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194406 + ... + 198336.

It is an arithmetic number, because the mean of its divisors is an integer number (40892800).

Almost surely, 2^771934401 is an apocalyptic number.

It is an amenable number.

771934401 is a deficient number, since it is larger than the sum of its proper divisors (536635199).

771934401 is a wasteful number, since it uses less digits than its factorization.

771934401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 771934401 is about 27783.7074739855. The cubic root of 771934401 is about 917.3325384415.

The spelling of 771934401 in words is "seven hundred seventy-one million, nine hundred thirty-four thousand, four hundred one".