47808315 has 12 divisors (see below), whose sum is σ = 82867824. Its totient is φ = 25497744.

The previous prime is 47808307. The next prime is 47808317. The reversal of 47808315 is 51380874.

It is not a de Polignac number, because 47808315 - 2³ = 47808307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47808315.

It is not an unprimeable number, because it can be changed into a prime (47808317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531159 + ... + 531248.

It is an arithmetic number, because the mean of its divisors is an integer number (6905652).

Almost surely, 2^47808315 is an apocalyptic number.

47808315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47808315 is a deficient number, since it is larger than the sum of its proper divisors (35059509).

47808315 is a wasteful number, since it uses less digits than its factorization.

47808315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062418 (or 1062415 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 47808315 is about 6914.3557183587. The cubic root of 47808315 is about 362.9397026637.

The spelling of 47808315 in words is "forty-seven million, eight hundred eight thousand, three hundred fifteen".