278055055006 has 8 divisors (see below), whose sum is σ = 418903904520. Its totient is φ = 138420420168.

The previous prime is 278055054967. The next prime is 278055055007. The reversal of 278055055006 is 600550550872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×278055055006² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278055055007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303553096 + ... + 303554011.

It is an arithmetic number, because the mean of its divisors is an integer number (52362988065).

Almost surely, 2^278055055006 is an apocalyptic number.

278055055006 is a deficient number, since it is larger than the sum of its proper divisors (140848849514).

278055055006 is a wasteful number, since it uses less digits than its factorization.

278055055006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607107338.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 278055055006 in words is "two hundred seventy-eight billion, fifty-five million, fifty-five thousand, six".