47888861 has 8 divisors (see below), whose sum is σ = 49750848. Its totient is φ = 46060000.

The previous prime is 47888849. The next prime is 47888887. The reversal of 47888861 is 16888874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47888861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47888821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (6218856).

Almost surely, 2^47888861 is an apocalyptic number.

47888861 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47888861 is a deficient number, since it is larger than the sum of its proper divisors (1861987).

47888861 is a wasteful number, since it uses less digits than its factorization.

47888861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563.

The product of its digits is 688128, while the sum is 50.

The square root of 47888861 is about 6920.1778156345. The cubic root of 47888861 is about 363.1434115756.

The spelling of 47888861 in words is "forty-seven million, eight hundred eighty-eight thousand, eight hundred sixty-one".