47475777405555 has 48 divisors (see below), whose sum is σ = 83751647039424. Its totient is φ = 24873666612480.

The previous prime is 47475777405547. The next prime is 47475777405569. The reversal of 47475777405555 is 55550477757474.

47475777405555 is a `hidden beast` number, since 4 + 7 + 4 + 7 + 577 + 7 + 40 + 5 + 5 + 5 + 5 = 666.

It is not a de Polignac number, because 47475777405555 - 2³ = 47475777405547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25937004 + ... + 27707033.

It is an arithmetic number, because the mean of its divisors is an integer number (1744825979988).

Almost surely, 2^{47475777405555} is an apocalyptic number.

47475777405555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47475777405555 is a deficient number, since it is larger than the sum of its proper divisors (36275869633869).

47475777405555 is a wasteful number, since it uses less digits than its factorization.

47475777405555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53644396 (or 53644393 counting only the distinct ones).

The product of its (nonzero) digits is 3361400000, while the sum is 72.

The spelling of 47475777405555 in words is "forty-seven trillion, four hundred seventy-five billion, seven hundred seventy-seven million, four hundred five thousand, five hundred fifty-five".