278453345196 has 96 divisors (see below), whose sum is σ = 702276454656. Its totient is φ = 85363488000.

The previous prime is 278453345189. The next prime is 278453345227. The reversal of 278453345196 is 691543354872.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 52925206 + ... + 52930466.

It is an arithmetic number, because the mean of its divisors is an integer number (7315379736).

Almost surely, 2^278453345196 is an apocalyptic number.

278453345196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

278453345196 is an abundant number, since it is smaller than the sum of its proper divisors (423823109460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

278453345196 is a wasteful number, since it uses less digits than its factorization.

278453345196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463 (or 6461 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 278453345196 in words is "two hundred seventy-eight billion, four hundred fifty-three million, three hundred forty-five thousand, one hundred ninety-six".