278941620954 has 16 divisors (see below), whose sum is σ = 559854564192. Its totient is φ = 92651986608.

The previous prime is 278941620901. The next prime is 278941621003. The reversal of 278941620954 is 459026149872.

278941620954 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 278941620894 and 278941620903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82136589 + ... + 82139984.

It is an arithmetic number, because the mean of its divisors is an integer number (34990910262).

Almost surely, 2^278941620954 is an apocalyptic number.

278941620954 is an abundant number, since it is smaller than the sum of its proper divisors (280912943238).

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

278941620954 is a wasteful number, since it uses less digits than its factorization.

278941620954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164276861.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 278941620954 in words is "two hundred seventy-eight billion, nine hundred forty-one million, six hundred twenty thousand, nine hundred fifty-four".