47862137 has 2 divisors, whose sum is σ = 47862138. Its totient is φ = 47862136.

The previous prime is 47862131. The next prime is 47862173. The reversal of 47862137 is 73126874.

Together with next prime (47862173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47183161 + 678976 = 6869^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 47862137 - 2¹⁴ = 47845753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47862137.

It is not a weakly prime, because it can be changed into another prime (47862131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23931068 + 23931069.

It is an arithmetic number, because the mean of its divisors is an integer number (23931069).

Almost surely, 2^47862137 is an apocalyptic number.

It is an amenable number.

47862137 is a deficient number, since it is larger than the sum of its proper divisors (1).

47862137 is an equidigital number, since it uses as much as digits as its factorization.

47862137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 47862137 is about 6918.2466709420. The cubic root of 47862137 is about 363.0758492373.

The spelling of 47862137 in words is "forty-seven million, eight hundred sixty-two thousand, one hundred thirty-seven".