78616711301 has 2 divisors, whose sum is σ = 78616711302. Its totient is φ = 78616711300.

The previous prime is 78616711253. The next prime is 78616711307. The reversal of 78616711301 is 10311761687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49775841025 + 28840870276 = 223105^2 + 169826^2 .

It is an emirp because it is prime and its reverse (10311761687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78616711301 - 2¹⁴ = 78616694917 is a prime.

It is a super-2 number, since 2×78616711301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78616711307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39308355650 + 39308355651.

It is an arithmetic number, because the mean of its divisors is an integer number (39308355651).

Almost surely, 2^78616711301 is an apocalyptic number.

It is an amenable number.

78616711301 is a deficient number, since it is larger than the sum of its proper divisors (1).

78616711301 is an equidigital number, since it uses as much as digits as its factorization.

78616711301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 78616711301 in words is "seventy-eight billion, six hundred sixteen million, seven hundred eleven thousand, three hundred one".