77052113 has 2 divisors, whose sum is σ = 77052114. Its totient is φ = 77052112.

The previous prime is 77052103. The next prime is 77052119. The reversal of 77052113 is 31125077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77035729 + 16384 = 8777^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 77052113 - 2⁸ = 77051857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (77052119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38526056 + 38526057.

It is an arithmetic number, because the mean of its divisors is an integer number (38526057).

Almost surely, 2^77052113 is an apocalyptic number.

It is an amenable number.

77052113 is a deficient number, since it is larger than the sum of its proper divisors (1).

77052113 is an equidigital number, since it uses as much as digits as its factorization.

77052113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 77052113 is about 8777.9332989036. The cubic root of 77052113 is about 425.5280412413.

The spelling of 77052113 in words is "seventy-seven million, fifty-two thousand, one hundred thirteen".