47891495 has 8 divisors (see below), whose sum is σ = 60494640. Its totient is φ = 36296640.

The previous prime is 47891471. The next prime is 47891509. The reversal of 47891495 is 59419874.

47891495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47891495 - 2¹⁰ = 47890471 is a prime.

It is a super-3 number, since 3×47891495³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251966 + ... + 252155.

It is an arithmetic number, because the mean of its divisors is an integer number (7561830).

Almost surely, 2^47891495 is an apocalyptic number.

47891495 is a deficient number, since it is larger than the sum of its proper divisors (12603145).

47891495 is a wasteful number, since it uses less digits than its factorization.

47891495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504145.

The product of its digits is 362880, while the sum is 47.

The square root of 47891495 is about 6920.3681260465. The cubic root of 47891495 is about 363.1500693675.

The spelling of 47891495 in words is "forty-seven million, eight hundred ninety-one thousand, four hundred ninety-five".