2678896554738 has 16 divisors (see below), whose sum is σ = 5357809670880. Its totient is φ = 892962758016.

The previous prime is 2678896554707. The next prime is 2678896554757. The reversal of 2678896554738 is 8374556988762.

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, 2675181 + ... + 3537567.

It is an arithmetic number, because the mean of its divisors is an integer number (334863104430).

Almost surely, 2^{2678896554738} is an apocalyptic number.

2678896554738 is an abundant number, since it is smaller than the sum of its proper divisors (2678913116142).

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

2678896554738 is a wasteful number, since it uses less digits than its factorization.

2678896554738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380121.

The product of its digits is 4877107200, while the sum is 78.

The spelling of 2678896554738 in words is "two trillion, six hundred seventy-eight billion, eight hundred ninety-six million, five hundred fifty-four thousand, seven hundred thirty-eight".