771680627 has 2 divisors, whose sum is σ = 771680628. Its totient is φ = 771680626.

The previous prime is 771680599. The next prime is 771680669. The reversal of 771680627 is 726086177.

It is a weak prime.

It is an emirp because it is prime and its reverse (726086177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 771680627 - 2¹⁰ = 771679603 is a prime.

It is a super-2 number, since 2×771680627² = 1190981980174226258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (771680027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385840313 + 385840314.

It is an arithmetic number, because the mean of its divisors is an integer number (385840314).

Almost surely, 2^771680627 is an apocalyptic number.

771680627 is a deficient number, since it is larger than the sum of its proper divisors (1).

771680627 is an equidigital number, since it uses as much as digits as its factorization.

771680627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 771680627 is about 27779.1401414803. The cubic root of 771680627 is about 917.2320028423.

The spelling of 771680627 in words is "seven hundred seventy-one million, six hundred eighty thousand, six hundred twenty-seven".