78674387163 has 16 divisors (see below), whose sum is σ = 106398384000. Its totient is φ = 51700832064.

The previous prime is 78674387059. The next prime is 78674387191. The reversal of 78674387163 is 36178347687.

It is not a de Polignac number, because 78674387163 - 2¹³ = 78674378971 is a prime.

It is a super-4 number, since 4×78674387163⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78674387097 and 78674387106.

It is not an unprimeable number, because it can be changed into a prime (78674337163) 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 15 ways as a sum of consecutive naturals, for example, 273088 + ... + 481586.

It is an arithmetic number, because the mean of its divisors is an integer number (6649899000).

Almost surely, 2^78674387163 is an apocalyptic number.

78674387163 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

78674387163 is a deficient number, since it is larger than the sum of its proper divisors (27723996837).

78674387163 is a wasteful number, since it uses less digits than its factorization.

78674387163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210298.

The product of its digits is 28449792, while the sum is 60.

The spelling of 78674387163 in words is "seventy-eight billion, six hundred seventy-four million, three hundred eighty-seven thousand, one hundred sixty-three".