47821816762808 has 16 divisors (see below), whose sum is σ = 97817352469560. Its totient is φ = 21737189437600.

The previous prime is 47821816762777. The next prime is 47821816762813. The reversal of 47821816762808 is 80826761812874.

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, 271714867883 + ... + 271714868058.

Almost surely, 2^{47821816762808} is an apocalyptic number.

It is an amenable number.

47821816762808 is an abundant number, since it is smaller than the sum of its proper divisors (49995535706752).

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

47821816762808 is a wasteful number, since it uses less digits than its factorization.

47821816762808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543429735958 (or 543429735954 counting only the distinct ones).

The product of its (nonzero) digits is 115605504, while the sum is 68.

The spelling of 47821816762808 in words is "forty-seven trillion, eight hundred twenty-one billion, eight hundred sixteen million, seven hundred sixty-two thousand, eight hundred eight".