47877161 has 8 divisors (see below), whose sum is σ = 49044864. Its totient is φ = 46715760.

The previous prime is 47877133. The next prime is 47877187. The reversal of 47877161 is 16177874.

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

It is a cyclic number.

It is not a de Polignac number, because 47877161 - 2¹⁰ = 47876137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47877121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16166 + ... + 18896.

It is an arithmetic number, because the mean of its divisors is an integer number (6130608).

Almost surely, 2^47877161 is an apocalyptic number.

It is an amenable number.

47877161 is a deficient number, since it is larger than the sum of its proper divisors (1167703).

47877161 is a wasteful number, since it uses less digits than its factorization.

47877161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151.

The product of its digits is 65856, while the sum is 41.

The square root of 47877161 is about 6919.3324099945. The cubic root of 47877161 is about 363.1138352894.

The spelling of 47877161 in words is "forty-seven million, eight hundred seventy-seven thousand, one hundred sixty-one".