2278890078473 has 8 divisors (see below), whose sum is σ = 2280283668480. Its totient is φ = 2277496634400.

The previous prime is 2278890078467. The next prime is 2278890078497. The reversal of 2278890078473 is 3748700988722.

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

It is a cyclic number.

It is not a de Polignac number, because 2278890078473 - 2¹⁶ = 2278890012937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2278890048473) 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, 62453048 + ... + 62489526.

It is an arithmetic number, because the mean of its divisors is an integer number (285035458560).

Almost surely, 2^{2278890078473} is an apocalyptic number.

It is an amenable number.

2278890078473 is a deficient number, since it is larger than the sum of its proper divisors (1393590007).

2278890078473 is a wasteful number, since it uses less digits than its factorization.

2278890078473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72967.

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 2278890078473 in words is "two trillion, two hundred seventy-eight billion, eight hundred ninety million, seventy-eight thousand, four hundred seventy-three".