775540627 has 2 divisors, whose sum is σ = 775540628. Its totient is φ = 775540626.

The previous prime is 775540603. The next prime is 775540639. The reversal of 775540627 is 726045577.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 775540627 - 2¹¹ = 775538579 is a prime.

It is not a weakly prime, because it can be changed into another prime (775540687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387770313 + 387770314.

It is an arithmetic number, because the mean of its divisors is an integer number (387770314).

Almost surely, 2^775540627 is an apocalyptic number.

775540627 is a deficient number, since it is larger than the sum of its proper divisors (1).

775540627 is an equidigital number, since it uses as much as digits as its factorization.

775540627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 775540627 is about 27848.5300689282. The cubic root of 775540627 is about 918.7588126201.

The spelling of 775540627 in words is "seven hundred seventy-five million, five hundred forty thousand, six hundred twenty-seven".