61277020795 has 8 divisors (see below), whose sum is σ = 77857861824. Its totient is φ = 46137992064.

The previous prime is 61277020769. The next prime is 61277020811. The reversal of 61277020795 is 59702077216.

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

It is a cyclic number.

It is not a de Polignac number, because 61277020795 - 2⁷ = 61277020667 is a prime.

It is a Duffinian number.

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, 360452979 + ... + 360453148.

It is an arithmetic number, because the mean of its divisors is an integer number (9732232728).

Almost surely, 2^61277020795 is an apocalyptic number.

61277020795 is a deficient number, since it is larger than the sum of its proper divisors (16580841029).

61277020795 is a wasteful number, since it uses less digits than its factorization.

61277020795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720906149.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 61277020795 in words is "sixty-one billion, two hundred seventy-seven million, twenty thousand, seven hundred ninety-five".