78280164296 has 32 divisors (see below), whose sum is σ = 149581857600. Its totient is φ = 38392036800.

The previous prime is 78280164289. The next prime is 78280164307. The reversal of 78280164296 is 69246108287.

It is a super-2 number, since 2×78280164296² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866485 + ... + 1907963.

It is an arithmetic number, because the mean of its divisors is an integer number (4674433050).

Almost surely, 2^78280164296 is an apocalyptic number.

It is an amenable number.

78280164296 is a deficient number, since it is larger than the sum of its proper divisors (71301693304).

78280164296 is a wasteful number, since it uses less digits than its factorization.

78280164296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45989 (or 45985 counting only the distinct ones).

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

The spelling of 78280164296 in words is "seventy-eight billion, two hundred eighty million, one hundred sixty-four thousand, two hundred ninety-six".