61268657808347 has 8 divisors (see below), whose sum is σ = 66839089732272. Its totient is φ = 55698318208000.

The previous prime is 61268657808317. The next prime is 61268657808359. The reversal of 61268657808347 is 74380875686216.

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 61268657808347 - 2¹⁰ = 61268657807323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61268657808317) 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, 21689654 + ... + 24351147.

It is an arithmetic number, because the mean of its divisors is an integer number (8354886216534).

Almost surely, 2^{61268657808347} is an apocalyptic number.

61268657808347 is a deficient number, since it is larger than the sum of its proper divisors (5570431923925).

61268657808347 is a wasteful number, since it uses less digits than its factorization.

61268657808347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46161789.

The product of its (nonzero) digits is 650280960, while the sum is 71.

The spelling of 61268657808347 in words is "sixty-one trillion, two hundred sixty-eight billion, six hundred fifty-seven million, eight hundred eight thousand, three hundred forty-seven".