78297193119 has 64 divisors (see below), whose sum is σ = 114667660800. Its totient is φ = 47333196288.

The previous prime is 78297193103. The next prime is 78297193159. The reversal of 78297193119 is 91139179287.

It is not a de Polignac number, because 78297193119 - 2⁴ = 78297193103 is a prime.

It is a super-2 number, since 2×78297193119² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78297193159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140569189 + ... + 140569745.

It is an arithmetic number, because the mean of its divisors is an integer number (1791682200).

Almost surely, 2^78297193119 is an apocalyptic number.

78297193119 is a deficient number, since it is larger than the sum of its proper divisors (36370467681).

78297193119 is a wasteful number, since it uses less digits than its factorization.

78297193119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its digits is 1714608, while the sum is 57.

The spelling of 78297193119 in words is "seventy-eight billion, two hundred ninety-seven million, one hundred ninety-three thousand, one hundred nineteen".