25132667893878 has 32 divisors (see below), whose sum is σ = 50418698533632. Its totient is φ = 8352012088800.

The previous prime is 25132667893787. The next prime is 25132667893889. The reversal of 25132667893878 is 87839876623152.

It is a congruent 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, 3996033 + ... + 8138403.

It is an arithmetic number, because the mean of its divisors is an integer number (1575584329176).

Almost surely, 2^{25132667893878} is an apocalyptic number.

25132667893878 is an abundant number, since it is smaller than the sum of its proper divisors (25286030639754).

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

25132667893878 is a wasteful number, since it uses less digits than its factorization.

25132667893878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145460.

The product of its digits is 1463132160, while the sum is 75.

The spelling of 25132667893878 in words is "twenty-five trillion, one hundred thirty-two billion, six hundred sixty-seven million, eight hundred ninety-three thousand, eight hundred seventy-eight".