61632267447 has 8 divisors (see below), whose sum is σ = 82189423600. Its totient is φ = 41081644800.

The previous prime is 61632267439. The next prime is 61632267451. The reversal of 61632267447 is 74476223616.

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

It is not a de Polignac number, because 61632267447 - 2³ = 61632267439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61632267396 and 61632267405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61632267407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611322 + ... + 1649127.

It is an arithmetic number, because the mean of its divisors is an integer number (10273677950).

Almost surely, 2^61632267447 is an apocalyptic number.

61632267447 is a deficient number, since it is larger than the sum of its proper divisors (20557156153).

61632267447 is a wasteful number, since it uses less digits than its factorization.

61632267447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266753.

The product of its digits is 2032128, while the sum is 48.

The spelling of 61632267447 in words is "sixty-one billion, six hundred thirty-two million, two hundred sixty-seven thousand, four hundred forty-seven".