61314844996779 has 16 divisors (see below), whose sum is σ = 89335625791104. Its totient is φ = 37097846825600.

The previous prime is 61314844996771. The next prime is 61314844996841. The reversal of 61314844996779 is 97769944841316.

It is a happy number.

It is not a de Polignac number, because 61314844996779 - 2³ = 61314844996771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61314844996771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1566612477 + ... + 1566651614.

It is an arithmetic number, because the mean of its divisors is an integer number (5583476611944).

Almost surely, 2^{61314844996779} is an apocalyptic number.

61314844996779 is a deficient number, since it is larger than the sum of its proper divisors (28020780794325).

61314844996779 is a wasteful number, since it uses less digits than its factorization.

61314844996779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133264698.

The product of its digits is 1975228416, while the sum is 78.

The spelling of 61314844996779 in words is "sixty-one trillion, three hundred fourteen billion, eight hundred forty-four million, nine hundred ninety-six thousand, seven hundred seventy-nine".