47776384278 has 32 divisors (see below), whose sum is σ = 121336849920. Its totient is φ = 13650395400.

The previous prime is 47776384261. The next prime is 47776384309. The reversal of 47776384278 is 87248367774.

47776384278 is a `hidden beast` number, since 477 + 7 + 63 + 84 + 27 + 8 = 666.

It is a super-3 number, since 3×47776384278³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63195898 + ... + 63196653.

It is an arithmetic number, because the mean of its divisors is an integer number (3791776560).

Almost surely, 2^47776384278 is an apocalyptic number.

47776384278 is an abundant number, since it is smaller than the sum of its proper divisors (73560465642).

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

47776384278 is a wasteful number, since it uses less digits than its factorization.

47776384278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126392569 (or 126392563 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 63.

The spelling of 47776384278 in words is "forty-seven billion, seven hundred seventy-six million, three hundred eighty-four thousand, two hundred seventy-eight".