3663772247 has 4 divisors (see below), whose sum is σ = 3741724896. Its totient is φ = 3585819600.

The previous prime is 3663772243. The next prime is 3663772291. The reversal of 3663772247 is 7422773663.

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 3663772247 - 2² = 3663772243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 77952601 = 3663772247 / (3 + 6 + 6 + 3 + 7 + 7 + 2 + 2 + 4 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663772241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38976254 + ... + 38976347.

It is an arithmetic number, because the mean of its divisors is an integer number (935431224).

Almost surely, 2^3663772247 is an apocalyptic number.

3663772247 is a deficient number, since it is larger than the sum of its proper divisors (77952649).

3663772247 is an equidigital number, since it uses as much as digits as its factorization.

3663772247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77952648.

The product of its digits is 1778112, while the sum is 47.

The square root of 3663772247 is about 60529.1024797163. The cubic root of 3663772247 is about 1541.6158122025.

The spelling of 3663772247 in words is "three billion, six hundred sixty-three million, seven hundred seventy-two thousand, two hundred forty-seven".