771928051 has 2 divisors, whose sum is σ = 771928052. Its totient is φ = 771928050.

The previous prime is 771928019. The next prime is 771928121. The reversal of 771928051 is 150829177.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 771928051 - 2⁵ = 771928019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 771927995 and 771928013.

It is not a weakly prime, because it can be changed into another prime (771925051) 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 as a sum of consecutive naturals, namely, 385964025 + 385964026.

It is an arithmetic number, because the mean of its divisors is an integer number (385964026).

Almost surely, 2^771928051 is an apocalyptic number.

771928051 is a deficient number, since it is larger than the sum of its proper divisors (1).

771928051 is an equidigital number, since it uses as much as digits as its factorization.

771928051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 771928051 is about 27783.5931981448. The cubic root of 771928051 is about 917.3300230820.

The spelling of 771928051 in words is "seven hundred seventy-one million, nine hundred twenty-eight thousand, fifty-one".