78010020119 has 2 divisors, whose sum is σ = 78010020120. Its totient is φ = 78010020118.

The previous prime is 78010020107. The next prime is 78010020281. The reversal of 78010020119 is 91102001087.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78010020119 is a prime.

It is a super-2 number, since 2×78010020119² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78010020091 and 78010020100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78010026119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39005010059 + 39005010060.

It is an arithmetic number, because the mean of its divisors is an integer number (39005010060).

Almost surely, 2^78010020119 is an apocalyptic number.

78010020119 is a deficient number, since it is larger than the sum of its proper divisors (1).

78010020119 is an equidigital number, since it uses as much as digits as its factorization.

78010020119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 78010020119 in words is "seventy-eight billion, ten million, twenty thousand, one hundred nineteen".