61627784480 has 48 divisors (see below), whose sum is σ = 148063386240. Its totient is φ = 24233294592.

The previous prime is 61627784461. The next prime is 61627784503. The reversal of 61627784480 is 8448772616.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3254744 + ... + 3273623.

It is an arithmetic number, because the mean of its divisors is an integer number (3084653880).

Almost surely, 2^61627784480 is an apocalyptic number.

It is an amenable number.

61627784480 is an abundant number, since it is smaller than the sum of its proper divisors (86435601760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61627784480 is a wasteful number, since it uses less digits than its factorization.

61627784480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528441 (or 6528433 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 61627784480 in words is "sixty-one billion, six hundred twenty-seven million, seven hundred eighty-four thousand, four hundred eighty".