77614057 has 2 divisors, whose sum is σ = 77614058. Its totient is φ = 77614056.

The previous prime is 77614039. The next prime is 77614081. The reversal of 77614057 is 75041677.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60466176 + 17147881 = 7776^2 + 4141^2 .

It is an emirp because it is prime and its reverse (75041677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77614057 - 2⁷ = 77613929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77614007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38807028 + 38807029.

It is an arithmetic number, because the mean of its divisors is an integer number (38807029).

Almost surely, 2^77614057 is an apocalyptic number.

It is an amenable number.

77614057 is a deficient number, since it is larger than the sum of its proper divisors (1).

77614057 is an equidigital number, since it uses as much as digits as its factorization.

77614057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 77614057 is about 8809.8840514504. The cubic root of 77614057 is about 426.5600006661.

The spelling of 77614057 in words is "seventy-seven million, six hundred fourteen thousand, fifty-seven".