77760671 has 2 divisors, whose sum is σ = 77760672. Its totient is φ = 77760670.

The previous prime is 77760653. The next prime is 77760689. The reversal of 77760671 is 17606777.

It is a balanced prime because it is at equal distance from previous prime (77760653) and next prime (77760689).

It is an emirp because it is prime and its reverse (17606777) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77760671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77760871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38880335 + 38880336.

It is an arithmetic number, because the mean of its divisors is an integer number (38880336).

Almost surely, 2^77760671 is an apocalyptic number.

77760671 is a deficient number, since it is larger than the sum of its proper divisors (1).

77760671 is an equidigital number, since it uses as much as digits as its factorization.

77760671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 77760671 is about 8818.2011204100. The cubic root of 77760671 is about 426.8284242490.

The spelling of 77760671 in words is "seventy-seven million, seven hundred sixty thousand, six hundred seventy-one".