771364064331 has 192 divisors, whose sum is σ = 1402903756800. Its totient is φ = 398474899200.

The previous prime is 771364064323. The next prime is 771364064363. The reversal of 771364064331 is 133460463177.

771364064331 is a `hidden beast` number, since 77 + 136 + 406 + 43 + 3 + 1 = 666.

It is not a de Polignac number, because 771364064331 - 2³ = 771364064323 is a prime.

It is a super-2 number, since 2×771364064331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (771364064311) 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 191 ways as a sum of consecutive naturals, for example, 1571005996 + ... + 1571006486.

It is an arithmetic number, because the mean of its divisors is an integer number (7306790400).

Almost surely, 2^771364064331 is an apocalyptic number.

771364064331 is a deficient number, since it is larger than the sum of its proper divisors (631539692469).

771364064331 is a wasteful number, since it uses less digits than its factorization.

771364064331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 771364064331 in words is "seven hundred seventy-one billion, three hundred sixty-four million, sixty-four thousand, three hundred thirty-one".