61797230305 has 8 divisors (see below), whose sum is σ = 74166490944. Its totient is φ = 49431241200.

The previous prime is 61797230267. The next prime is 61797230317. The reversal of 61797230305 is 50303279716.

It is a happy number.

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

It is not a de Polignac number, because 61797230305 - 2⁷ = 61797230177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776131 + ... + 852040.

It is an arithmetic number, because the mean of its divisors is an integer number (9270811368).

Almost surely, 2^61797230305 is an apocalyptic number.

It is an amenable number.

61797230305 is a deficient number, since it is larger than the sum of its proper divisors (12369260639).

61797230305 is a wasteful number, since it uses less digits than its factorization.

61797230305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635767.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 61797230305 in words is "sixty-one billion, seven hundred ninety-seven million, two hundred thirty thousand, three hundred five".