47865499 has 4 divisors (see below), whose sum is σ = 52216920. Its totient is φ = 43514080.

The previous prime is 47865481. The next prime is 47865509. The reversal of 47865499 is 99456874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47865499 - 2⁹ = 47864987 is a prime.

It is a super-2 number, since 2×47865499² = 4582211989038002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47865469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175694 + ... + 2175715.

It is an arithmetic number, because the mean of its divisors is an integer number (13054230).

Almost surely, 2^47865499 is an apocalyptic number.

47865499 is a deficient number, since it is larger than the sum of its proper divisors (4351421).

47865499 is a wasteful number, since it uses less digits than its factorization.

47865499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351420.

The product of its digits is 2177280, while the sum is 52.

The square root of 47865499 is about 6918.4896473147. The cubic root of 47865499 is about 363.0843502675.

The spelling of 47865499 in words is "forty-seven million, eight hundred sixty-five thousand, four hundred ninety-nine".