25876728582738 has 32 divisors (see below), whose sum is σ = 59429807274240. Its totient is φ = 7428725908560.

The previous prime is 25876728582709. The next prime is 25876728582781. The reversal of 25876728582738 is 83728582767852.

It is a super-2 number, since 2×25876728582738² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10317673620 + ... + 10317676127.

It is an arithmetic number, because the mean of its divisors is an integer number (1857181477320).

Almost surely, 2^{25876728582738} is an apocalyptic number.

25876728582738 is an abundant number, since it is smaller than the sum of its proper divisors (33553078691502).

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

25876728582738 is a wasteful number, since it uses less digits than its factorization.

25876728582738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635349782.

The product of its digits is 5057740800, while the sum is 78.

The spelling of 25876728582738 in words is "twenty-five trillion, eight hundred seventy-six billion, seven hundred twenty-eight million, five hundred eighty-two thousand, seven hundred thirty-eight".