47782395 has 12 divisors (see below), whose sum is σ = 82822896. Its totient is φ = 25483920.

The previous prime is 47782391. The next prime is 47782403. The reversal of 47782395 is 59328774.

It is not a de Polignac number, because 47782395 - 2² = 47782391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1061831 = 47782395 / (4 + 7 + 7 + 8 + 2 + 3 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 47782395.

It is not an unprimeable number, because it can be changed into a prime (47782391) 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, 530871 + ... + 530960.

It is an arithmetic number, because the mean of its divisors is an integer number (6901908).

Almost surely, 2^47782395 is an apocalyptic number.

47782395 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47782395 is a deficient number, since it is larger than the sum of its proper divisors (35040501).

47782395 is a wasteful number, since it uses less digits than its factorization.

47782395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061842 (or 1061839 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 47782395 is about 6912.4811030483. The cubic root of 47782395 is about 362.8740997260.

The spelling of 47782395 in words is "forty-seven million, seven hundred eighty-two thousand, three hundred ninety-five".