2278400613679 has 8 divisors (see below), whose sum is σ = 2289159578880. Its totient is φ = 2267651864856.

The previous prime is 2278400613443. The next prime is 2278400613683. The reversal of 2278400613679 is 9763160048722.

2278400613679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2278400613679 - 2¹¹ = 2278400611631 is a prime.

It is a super-2 number, since 2×2278400613679² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278400613179) 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, 2106829 + ... + 2999254.

It is an arithmetic number, because the mean of its divisors is an integer number (286144947360).

Almost surely, 2^{2278400613679} is an apocalyptic number.

2278400613679 is a deficient number, since it is larger than the sum of its proper divisors (10758965201).

2278400613679 is a wasteful number, since it uses less digits than its factorization.

2278400613679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108189.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 2278400613679 in words is "two trillion, two hundred seventy-eight billion, four hundred million, six hundred thirteen thousand, six hundred seventy-nine".