47955554865 has 24 divisors (see below), whose sum is σ = 83194525440. Its totient is φ = 25554276384.

The previous prime is 47955554861. The next prime is 47955554891. The reversal of 47955554865 is 56845555974.

47955554865 is a `hidden beast` number, since 4 + 79 + 5 + 5 + 554 + 8 + 6 + 5 = 666.

It is not a de Polignac number, because 47955554865 - 2² = 47955554861 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47955554861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405825 + ... + 510494.

It is an arithmetic number, because the mean of its divisors is an integer number (3466438560).

Almost surely, 2^47955554865 is an apocalyptic number.

47955554865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47955554865 is a deficient number, since it is larger than the sum of its proper divisors (35238970575).

47955554865 is a wasteful number, since it uses less digits than its factorization.

47955554865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917493 (or 917490 counting only the distinct ones).

The product of its digits is 151200000, while the sum is 63.

The spelling of 47955554865 in words is "forty-seven billion, nine hundred fifty-five million, five hundred fifty-four thousand, eight hundred sixty-five".