77014081 has 2 divisors, whose sum is σ = 77014082. Its totient is φ = 77014080.

The previous prime is 77014043. The next prime is 77014117. The reversal of 77014081 is 18041077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77000625 + 13456 = 8775^2 + 116^2 .

It is an emirp because it is prime and its reverse (18041077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77014081 - 2⁷ = 77013953 is a prime.

It is a super-2 number, since 2×77014081² = 11862337344549122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4505347 and since 77014081 and 4505347 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (77014001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38507040 + 38507041.

It is an arithmetic number, because the mean of its divisors is an integer number (38507041).

Almost surely, 2^77014081 is an apocalyptic number.

It is an amenable number.

77014081 is a deficient number, since it is larger than the sum of its proper divisors (1).

77014081 is an equidigital number, since it uses as much as digits as its factorization.

77014081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 77014081 is about 8775.7666901531. The cubic root of 77014081 is about 425.4580178712.

The spelling of 77014081 in words is "seventy-seven million, fourteen thousand, eighty-one".