47555946947377 has 12 divisors (see below), whose sum is σ = 52272438659140. Its totient is φ = 43232514082560.

The previous prime is 47555946947293. The next prime is 47555946947387. The reversal of 47555946947377 is 77374964955574.

It can be written as a sum of positive squares in 2 ways, for example, as 12039484281616 + 35516462665761 = 3469796^2 + 5959569^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47555946947377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47555946947377.

It is not an unprimeable number, because it can be changed into a prime (47555946947387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40374649 + ... + 41535817.

Almost surely, 2^{47555946947377} is an apocalyptic number.

It is an amenable number.

47555946947377 is a deficient number, since it is larger than the sum of its proper divisors (4716491711763).

47555946947377 is a wasteful number, since it uses less digits than its factorization.

47555946947377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499664 (or 1499653 counting only the distinct ones).

The product of its digits is 28005264000, while the sum is 82.

The spelling of 47555946947377 in words is "forty-seven trillion, five hundred fifty-five billion, nine hundred forty-six million, nine hundred forty-seven thousand, three hundred seventy-seven".