61304370784 has 24 divisors (see below), whose sum is σ = 120767263848. Its totient is φ = 30633319680.

The previous prime is 61304370781. The next prime is 61304370797. The reversal of 61304370784 is 48707340316.

It is a self number, because there is not a number n which added to its sum of digits gives 61304370784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304370781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536677 + ... + 640804.

It is an arithmetic number, because the mean of its divisors is an integer number (5031969327).

Almost surely, 2^61304370784 is an apocalyptic number.

It is an amenable number.

61304370784 is a deficient number, since it is larger than the sum of its proper divisors (59462893064).

61304370784 is a wasteful number, since it uses less digits than its factorization.

61304370784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179118 (or 1179110 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 61304370784 in words is "sixty-one billion, three hundred four million, three hundred seventy thousand, seven hundred eighty-four".