25000000003878 has 8 divisors (see below), whose sum is σ = 50000000007768. Its totient is φ = 8333333334624.

The previous prime is 25000000003807. The next prime is 25000000003919. The reversal of 25000000003878 is 87830000000052.

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

25000000003878 is an admirable number.

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, 2083333333651 + ... + 2083333333662.

It is an arithmetic number, because the mean of its divisors is an integer number (6250000000971).

Almost surely, 2^{25000000003878} is an apocalyptic number.

25000000003878 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.

25000000003878 is a wasteful number, since it uses less digits than its factorization.

25000000003878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166666667318.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 25000000003878 in words is "twenty-five trillion, three thousand, eight hundred seventy-eight".