278027552553 has 8 divisors (see below), whose sum is σ = 370706925600. Its totient is φ = 185349940608.

The previous prime is 278027552489. The next prime is 278027552573. The reversal of 278027552553 is 355255720872.

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

It is not a de Polignac number, because 278027552553 - 2⁶ = 278027552489 is a prime.

It is a super-2 number, since 2×278027552553² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 278027552496 and 278027552505.

It is not an unprimeable number, because it can be changed into a prime (278027552573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12543 + ... + 745796.

It is an arithmetic number, because the mean of its divisors is an integer number (46338365700).

Almost surely, 2^278027552553 is an apocalyptic number.

It is an amenable number.

278027552553 is a deficient number, since it is larger than the sum of its proper divisors (92679373047).

278027552553 is a wasteful number, since it uses less digits than its factorization.

278027552553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880551.

The product of its (nonzero) digits is 5880000, while the sum is 51.

The spelling of 278027552553 in words is "two hundred seventy-eight billion, twenty-seven million, five hundred fifty-two thousand, five hundred fifty-three".