47095991 has 2 divisors, whose sum is σ = 47095992. Its totient is φ = 47095990.

The previous prime is 47095907. The next prime is 47095999. The reversal of 47095991 is 19959074.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47095991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47095999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23547995 + 23547996.

It is an arithmetic number, because the mean of its divisors is an integer number (23547996).

Almost surely, 2^47095991 is an apocalyptic number.

47095991 is a deficient number, since it is larger than the sum of its proper divisors (1).

47095991 is an equidigital number, since it uses as much as digits as its factorization.

47095991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 47095991 is about 6862.6518926724. The cubic root of 47095991 is about 361.1281252172.

The spelling of 47095991 in words is "forty-seven million, ninety-five thousand, nine hundred ninety-one".