77080867 has 2 divisors, whose sum is σ = 77080868. Its totient is φ = 77080866.

The previous prime is 77080847. The next prime is 77080901. The reversal of 77080867 is 76808077.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77080867 is a prime.

It is not a weakly prime, because it can be changed into another prime (77080837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38540433 + 38540434.

It is an arithmetic number, because the mean of its divisors is an integer number (38540434).

Almost surely, 2^77080867 is an apocalyptic number.

77080867 is a deficient number, since it is larger than the sum of its proper divisors (1).

77080867 is an equidigital number, since it uses as much as digits as its factorization.

77080867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 77080867 is about 8779.5710031869. The cubic root of 77080867 is about 425.5809669437.

The spelling of 77080867 in words is "seventy-seven million, eighty thousand, eight hundred sixty-seven".