25725266867278 has 8 divisors (see below), whose sum is σ = 42095891237400. Its totient is φ = 11693303121480.

The previous prime is 25725266867243. The next prime is 25725266867291. The reversal of 25725266867278 is 87276866252752.

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

It is a super-3 number, since 3×25725266867278³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25725266867278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584665156053 + ... + 584665156096.

It is an arithmetic number, because the mean of its divisors is an integer number (5261986404675).

Almost surely, 2^{25725266867278} is an apocalyptic number.

25725266867278 is a deficient number, since it is larger than the sum of its proper divisors (16370624370122).

25725266867278 is a wasteful number, since it uses less digits than its factorization.

25725266867278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169330312162.

The product of its digits is 1896652800, while the sum is 73.

The spelling of 25725266867278 in words is "twenty-five trillion, seven hundred twenty-five billion, two hundred sixty-six million, eight hundred sixty-seven thousand, two hundred seventy-eight".