77607107057 has 2 divisors, whose sum is σ = 77607107058. Its totient is φ = 77607107056.

The previous prime is 77607107051. The next prime is 77607107101. The reversal of 77607107057 is 75070170677.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77397465616 + 209641441 = 278204^2 + 14479^2 .

It is an emirp because it is prime and its reverse (75070170677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77607107057 - 2¹⁰ = 77607106033 is a prime.

It is not a weakly prime, because it can be changed into another prime (77607107051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38803553528 + 38803553529.

It is an arithmetic number, because the mean of its divisors is an integer number (38803553529).

Almost surely, 2^77607107057 is an apocalyptic number.

It is an amenable number.

77607107057 is a deficient number, since it is larger than the sum of its proper divisors (1).

77607107057 is an equidigital number, since it uses as much as digits as its factorization.

77607107057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504210, while the sum is 47.

The spelling of 77607107057 in words is "seventy-seven billion, six hundred seven million, one hundred seven thousand, fifty-seven".