278055302775 has 24 divisors (see below), whose sum is σ = 459854091264. Its totient is φ = 148252293600.

The previous prime is 278055302741. The next prime is 278055302797. The reversal of 278055302775 is 577203550872.

It is not a de Polignac number, because 278055302775 - 2⁹ = 278055302263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292329 + ... + 800978.

It is an arithmetic number, because the mean of its divisors is an integer number (19160587136).

Almost surely, 2^278055302775 is an apocalyptic number.

278055302775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

278055302775 is a deficient number, since it is larger than the sum of its proper divisors (181798788489).

278055302775 is a wasteful number, since it uses less digits than its factorization.

278055302775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096711 (or 1096706 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 278055302775 in words is "two hundred seventy-eight billion, fifty-five million, three hundred two thousand, seven hundred seventy-five".