47856765 has 16 divisors (see below), whose sum is σ = 83532096. Its totient is φ = 23203200.

The previous prime is 47856737. The next prime is 47856779. The reversal of 47856765 is 56765874.

It is not a de Polignac number, because 47856765 - 2⁵ = 47856733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144856 + ... + 145185.

It is an arithmetic number, because the mean of its divisors is an integer number (5220756).

Almost surely, 2^47856765 is an apocalyptic number.

It is an amenable number.

47856765 is a deficient number, since it is larger than the sum of its proper divisors (35675331).

47856765 is a wasteful number, since it uses less digits than its factorization.

47856765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290060.

The product of its digits is 1411200, while the sum is 48.

The square root of 47856765 is about 6917.8584113872. The cubic root of 47856765 is about 363.0622649682.

The spelling of 47856765 in words is "forty-seven million, eight hundred fifty-six thousand, seven hundred sixty-five".