47887949655 has 480 divisors, whose sum is σ = 116379426240. Its totient is φ = 18602680320.

The previous prime is 47887949653. The next prime is 47887949663. The reversal of 47887949655 is 55694978874.

47887949655 is a `hidden beast` number, since 4 + 7 + 8 + 87 + 9 + 496 + 55 = 666.

It is not a de Polignac number, because 47887949655 - 2¹ = 47887949653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47887949653) 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 479 ways as a sum of consecutive naturals, for example, 267530356 + ... + 267530534.

It is an arithmetic number, because the mean of its divisors is an integer number (242457138).

Almost surely, 2^47887949655 is an apocalyptic number.

47887949655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47887949655 is an abundant number, since it is smaller than the sum of its proper divisors (68491476585).

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

47887949655 is a wasteful number, since it uses less digits than its factorization.

47887949655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 285 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 47887949655 in words is "forty-seven billion, eight hundred eighty-seven million, nine hundred forty-nine thousand, six hundred fifty-five".