61797735333 has 12 divisors (see below), whose sum is σ = 89266255468. Its totient is φ = 41197170240.

The previous prime is 61797735313. The next prime is 61797735341. The reversal of 61797735333 is 33353779716.

It is a happy number.

61797735333 is a `hidden beast` number, since 6 + 17 + 97 + 7 + 3 + 533 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22903190244 + 38894545089 = 151338^2 + 197217^2 .

It is not a de Polignac number, because 61797735333 - 2¹⁶ = 61797669797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61797735333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61797735313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247743 + ... + 430083.

Almost surely, 2^61797735333 is an apocalyptic number.

It is an amenable number.

61797735333 is a deficient number, since it is larger than the sum of its proper divisors (27468520135).

61797735333 is a wasteful number, since it uses less digits than its factorization.

61797735333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220004 (or 220001 counting only the distinct ones).

The product of its digits is 7501410, while the sum is 54.

The spelling of 61797735333 in words is "sixty-one billion, seven hundred ninety-seven million, seven hundred thirty-five thousand, three hundred thirty-three".