278377151066 has 8 divisors (see below), whose sum is σ = 477217973280. Its totient is φ = 119304493308.

The previous prime is 278377151047. The next prime is 278377151071. The reversal of 278377151066 is 660151773872.

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

It is a junction number, because it is equal to n+sod(n) for n = 278377150999 and 278377151017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9942041096 + ... + 9942041123.

It is an arithmetic number, because the mean of its divisors is an integer number (59652246660).

Almost surely, 2^278377151066 is an apocalyptic number.

278377151066 is a deficient number, since it is larger than the sum of its proper divisors (198840822214).

278377151066 is a wasteful number, since it uses less digits than its factorization.

278377151066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19884082228.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 278377151066 in words is "two hundred seventy-eight billion, three hundred seventy-seven million, one hundred fifty-one thousand, sixty-six".