2278756755073 has 8 divisors (see below), whose sum is σ = 2300918280128. Its totient is φ = 2256595954704.

The previous prime is 2278756755071. The next prime is 2278756755127. The reversal of 2278756755073 is 3705576578722.

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 2278756755073 - 2¹ = 2278756755071 is a prime.

It is a super-2 number, since 2×2278756755073² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2278756754996 and 2278756755014.

It is not an unprimeable number, because it can be changed into a prime (2278756755071) 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, 7868386 + ... + 8152852.

It is an arithmetic number, because the mean of its divisors is an integer number (287614785016).

Almost surely, 2^{2278756755073} is an apocalyptic number.

It is an amenable number.

2278756755073 is a deficient number, since it is larger than the sum of its proper divisors (22161525055).

2278756755073 is a wasteful number, since it uses less digits than its factorization.

2278756755073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362343.

The product of its (nonzero) digits is 172872000, while the sum is 64.

The spelling of 2278756755073 in words is "two trillion, two hundred seventy-eight billion, seven hundred fifty-six million, seven hundred fifty-five thousand, seventy-three".