47086643 has 4 divisors (see below), whose sum is σ = 47124408. Its totient is φ = 47048880.

The previous prime is 47086619. The next prime is 47086709. The reversal of 47086643 is 34668074.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47086643 - 2¹² = 47082547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47086597 and 47086606.

It is not an unprimeable number, because it can be changed into a prime (47082643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16946 + ... + 19527.

It is an arithmetic number, because the mean of its divisors is an integer number (11781102).

Almost surely, 2^47086643 is an apocalyptic number.

47086643 is a deficient number, since it is larger than the sum of its proper divisors (37765).

47086643 is a wasteful number, since it uses less digits than its factorization.

47086643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37764.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 47086643 is about 6861.9707810512. The cubic root of 47086643 is about 361.1042304085.

The spelling of 47086643 in words is "forty-seven million, eighty-six thousand, six hundred forty-three".