47928263 has 4 divisors (see below), whose sum is σ = 49474368. Its totient is φ = 46382160.

The previous prime is 47928259. The next prime is 47928277. The reversal of 47928263 is 36282974.

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 47928263 - 2² = 47928259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47928263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47928233) 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, 773006 + ... + 773067.

It is an arithmetic number, because the mean of its divisors is an integer number (12368592).

Almost surely, 2^47928263 is an apocalyptic number.

47928263 is a deficient number, since it is larger than the sum of its proper divisors (1546105).

47928263 is a wasteful number, since it uses less digits than its factorization.

47928263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546104.

The product of its digits is 145152, while the sum is 41.

The square root of 47928263 is about 6923.0241224482. The cubic root of 47928263 is about 363.2429799925.

The spelling of 47928263 in words is "forty-seven million, nine hundred twenty-eight thousand, two hundred sixty-three".