63872247 has 16 divisors (see below), whose sum is σ = 90484992. Its totient is φ = 39937920.

The previous prime is 63872227. The next prime is 63872267. The reversal of 63872247 is 74227836.

It is an interprime number because it is at equal distance from previous prime (63872227) and next prime (63872267).

It is not a de Polignac number, because 63872247 - 2⁸ = 63871991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63872227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13848 + ... + 17874.

It is an arithmetic number, because the mean of its divisors is an integer number (5655312).

Almost surely, 2^63872247 is an apocalyptic number.

63872247 is a deficient number, since it is larger than the sum of its proper divisors (26612745).

63872247 is a wasteful number, since it uses less digits than its factorization.

63872247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358.

The product of its digits is 112896, while the sum is 39.

The square root of 63872247 is about 7992.0114489407. The cubic root of 63872247 is about 399.7336706277.

The spelling of 63872247 in words is "sixty-three million, eight hundred seventy-two thousand, two hundred forty-seven".