47127961 has 16 divisors (see below), whose sum is σ = 53438400. Its totient is φ = 41292288.

The previous prime is 47127953. The next prime is 47127979. The reversal of 47127961 is 16972174.

It is a cyclic number.

It is not a de Polignac number, because 47127961 - 2³ = 47127953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47127961.

It is not an unprimeable number, because it can be changed into a prime (47127911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17821 + ... + 20293.

It is an arithmetic number, because the mean of its divisors is an integer number (3339900).

Almost surely, 2^47127961 is an apocalyptic number.

It is an amenable number.

47127961 is a deficient number, since it is larger than the sum of its proper divisors (6310439).

47127961 is a wasteful number, since it uses less digits than its factorization.

47127961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568.

The product of its digits is 21168, while the sum is 37.

The square root of 47127961 is about 6864.9807720051. The cubic root of 47127961 is about 361.2098211641.

The spelling of 47127961 in words is "forty-seven million, one hundred twenty-seven thousand, nine hundred sixty-one".