2278756454682 has 8 divisors (see below), whose sum is σ = 4557512909376. Its totient is φ = 759585484892.

The previous prime is 2278756454629. The next prime is 2278756454683. The reversal of 2278756454682 is 2864546578722.

It is a happy number.

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

2278756454682 is an admirable number.

It is a super-2 number, since 2×2278756454682² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2278756454683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189896371218 + ... + 189896371229.

It is an arithmetic number, because the mean of its divisors is an integer number (569689113672).

Almost surely, 2^{2278756454682} is an apocalyptic number.

2278756454682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2278756454682 is a wasteful number, since it uses less digits than its factorization.

2278756454682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379792742452.

The product of its digits is 361267200, while the sum is 66.

The spelling of 2278756454682 in words is "two trillion, two hundred seventy-eight billion, seven hundred fifty-six million, four hundred fifty-four thousand, six hundred eighty-two".