818880047948 has 12 divisors (see below), whose sum is σ = 1508463246360. Its totient is φ = 387890548992.

The previous prime is 818880047917. The next prime is 818880047959. The reversal of 818880047948 is 849740088818.

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, 5387368661 + ... + 5387368812.

It is an arithmetic number, because the mean of its divisors is an integer number (125705270530).

Almost surely, 2^818880047948 is an apocalyptic number.

It is an amenable number.

818880047948 is a deficient number, since it is larger than the sum of its proper divisors (689583198412).

818880047948 is a wasteful number, since it uses less digits than its factorization.

818880047948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774737496 (or 10774737494 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 65.

The spelling of 818880047948 in words is "eight hundred eighteen billion, eight hundred eighty million, forty-seven thousand, nine hundred forty-eight".