47910865 has 8 divisors (see below), whose sum is σ = 58062888. Its totient is φ = 37948800.

The previous prime is 47910859. The next prime is 47910883. The reversal of 47910865 is 56801974.

It can be written as a sum of positive squares in 4 ways, for example, as 33825856 + 14085009 = 5816^2 + 3753^2 .

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

It is not a de Polignac number, because 47910865 - 2³ = 47910857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46932 + ... + 47941.

It is an arithmetic number, because the mean of its divisors is an integer number (7257861).

Almost surely, 2^47910865 is an apocalyptic number.

It is an amenable number.

47910865 is a deficient number, since it is larger than the sum of its proper divisors (10152023).

47910865 is a wasteful number, since it uses less digits than its factorization.

47910865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94979.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 47910865 is about 6921.7674765915. The cubic root of 47910865 is about 363.1990221702.

The spelling of 47910865 in words is "forty-seven million, nine hundred ten thousand, eight hundred sixty-five".