77668301107 has 2 divisors, whose sum is σ = 77668301108. Its totient is φ = 77668301106.

The previous prime is 77668301063. The next prime is 77668301119. The reversal of 77668301107 is 70110386677.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77668301107 is a prime.

It is not a weakly prime, because it can be changed into another prime (77668301147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38834150553 + 38834150554.

It is an arithmetic number, because the mean of its divisors is an integer number (38834150554).

Almost surely, 2^77668301107 is an apocalyptic number.

77668301107 is a deficient number, since it is larger than the sum of its proper divisors (1).

77668301107 is an equidigital number, since it uses as much as digits as its factorization.

77668301107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 77668301107 in words is "seventy-seven billion, six hundred sixty-eight million, three hundred one thousand, one hundred seven".