61477376306277 has 8 divisors (see below), whose sum is σ = 82012683924864. Its totient is φ = 40963493112608.

The previous prime is 61477376306251. The next prime is 61477376306309. The reversal of 61477376306277 is 77260367377416.

It is a happy number.

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 61477376306277 - 2¹⁶ = 61477376240741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61477376306077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356099533 + ... + 5356111010.

It is an arithmetic number, because the mean of its divisors is an integer number (10251585490608).

Almost surely, 2^{61477376306277} is an apocalyptic number.

It is an amenable number.

61477376306277 is a deficient number, since it is larger than the sum of its proper divisors (20535307618587).

61477376306277 is a wasteful number, since it uses less digits than its factorization.

61477376306277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10712212459.

The product of its (nonzero) digits is 261382464, while the sum is 66.

The spelling of 61477376306277 in words is "sixty-one trillion, four hundred seventy-seven billion, three hundred seventy-six million, three hundred six thousand, two hundred seventy-seven".