838897195506 has 48 divisors (see below), whose sum is σ = 1800759924000. Its totient is φ = 260424781056.

The previous prime is 838897195483. The next prime is 838897195517. The reversal of 838897195506 is 605591798838.

838897195506 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3154431 + ... + 3410018.

It is an arithmetic number, because the mean of its divisors is an integer number (37515831750).

Almost surely, 2^838897195506 is an apocalyptic number.

838897195506 is an abundant number, since it is smaller than the sum of its proper divisors (961862728494).

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

838897195506 is a wasteful number, since it uses less digits than its factorization.

838897195506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564551 (or 6564532 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 838897195506 in words is "eight hundred thirty-eight billion, eight hundred ninety-seven million, one hundred ninety-five thousand, five hundred six".