8125878153340 has 24 divisors (see below), whose sum is σ = 17187109193520. Its totient is φ = 3226967438208.

The previous prime is 8125878153331. The next prime is 8125878153373. The reversal of 8125878153340 is 433518785218.

It is a happy number.

It is a congruent number.

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, 1461486097 + ... + 1461491656.

It is an arithmetic number, because the mean of its divisors is an integer number (716129549730).

Almost surely, 2^{8125878153340} is an apocalyptic number.

It is an amenable number.

8125878153340 is an abundant number, since it is smaller than the sum of its proper divisors (9061231040180).

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

8125878153340 is a wasteful number, since it uses less digits than its factorization.

8125878153340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922977901 (or 2922977899 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 8125878153340 in words is "eight trillion, one hundred twenty-five billion, eight hundred seventy-eight million, one hundred fifty-three thousand, three hundred forty".