61294866084 has 27 divisors (see below), whose sum is σ = 154943555403. Its totient is φ = 20431126872.

The previous prime is 61294866079. The next prime is 61294866109. The reversal of 61294866084 is 48066849216.

The square root of 61294866084 is 247578.

It is a perfect power (a square), and thus also a powerful number.

61294866084 is a `hidden beast` number, since 6 + 1 + 29 + 4 + 8 + 6 + 608 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61294866084.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1464837 + ... + 1506099.

Almost surely, 2^61294866084 is an apocalyptic number.

61294866084 is the 247578-th square number.

It is an amenable number.

61294866084 is an abundant number, since it is smaller than the sum of its proper divisors (93648689319).

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

61294866084 is an frugal number, since it uses more digits than its factorization.

61294866084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82536 (or 41268 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 61294866084 in words is "sixty-one billion, two hundred ninety-four million, eight hundred sixty-six thousand, eighty-four".