77014813 has 2 divisors, whose sum is σ = 77014814. Its totient is φ = 77014812.

The previous prime is 77014801. The next prime is 77014831. The reversal of 77014813 is 31841077.

Together with next prime (77014831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76965529 + 49284 = 8773^2 + 222^2 .

It is an emirp because it is prime and its reverse (31841077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77014813 - 2¹³ = 77006621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77014853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38507406 + 38507407.

It is an arithmetic number, because the mean of its divisors is an integer number (38507407).

Almost surely, 2^77014813 is an apocalyptic number.

It is an amenable number.

77014813 is a deficient number, since it is larger than the sum of its proper divisors (1).

77014813 is an equidigital number, since it uses as much as digits as its factorization.

77014813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 77014813 is about 8775.8083958117. The cubic root of 77014813 is about 425.4593658250.

The spelling of 77014813 in words is "seventy-seven million, fourteen thousand, eight hundred thirteen".