78251366483 has 2 divisors, whose sum is σ = 78251366484. Its totient is φ = 78251366482.

The previous prime is 78251366467. The next prime is 78251366513. The reversal of 78251366483 is 38466315287.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (38466315287) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78251366483 - 2⁴ = 78251366467 is a prime.

It is a super-2 number, since 2×78251366483² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78251366443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39125683241 + 39125683242.

It is an arithmetic number, because the mean of its divisors is an integer number (39125683242).

Almost surely, 2^78251366483 is an apocalyptic number.

78251366483 is a deficient number, since it is larger than the sum of its proper divisors (1).

78251366483 is an equidigital number, since it uses as much as digits as its factorization.

78251366483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 53.

The spelling of 78251366483 in words is "seventy-eight billion, two hundred fifty-one million, three hundred sixty-six thousand, four hundred eighty-three".