47378566944 has 72 divisors (see below), whose sum is σ = 135625194432. Its totient is φ = 15688252800.

The previous prime is 47378566943. The next prime is 47378566969. The reversal of 47378566944 is 44966587374.

It is a happy number.

47378566944 is a `hidden beast` number, since 473 + 78 + 5 + 6 + 6 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (47378566943) 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 11 ways as a sum of consecutive naturals, for example, 501244 + ... + 588219.

It is an arithmetic number, because the mean of its divisors is an integer number (1883683256).

Almost surely, 2^47378566944 is an apocalyptic number.

It is an amenable number.

47378566944 is an abundant number, since it is smaller than the sum of its proper divisors (88246627488).

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

47378566944 is a wasteful number, since it uses less digits than its factorization.

47378566944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089630 (or 1089619 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 63.

The spelling of 47378566944 in words is "forty-seven billion, three hundred seventy-eight million, five hundred sixty-six thousand, nine hundred forty-four".