78608904083 has 2 divisors, whose sum is σ = 78608904084. Its totient is φ = 78608904082.

The previous prime is 78608904071. The next prime is 78608904109. The reversal of 78608904083 is 38040980687.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78608904083 - 2³⁶ = 9889427347 is a prime.

It is a super-2 number, since 2×78608904083² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78608901083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39304452041 + 39304452042.

It is an arithmetic number, because the mean of its divisors is an integer number (39304452042).

Almost surely, 2^78608904083 is an apocalyptic number.

78608904083 is a deficient number, since it is larger than the sum of its proper divisors (1).

78608904083 is an equidigital number, since it uses as much as digits as its factorization.

78608904083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 78608904083 in words is "seventy-eight billion, six hundred eight million, nine hundred four thousand, eighty-three".