61761571023207 has 32 divisors (see below), whose sum is σ = 91127314607616. Its totient is φ = 36893108649600.

The previous prime is 61761571023169. The next prime is 61761571023209. The reversal of 61761571023207 is 70232017516716.

61761571023207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61761571023207 - 2⁷ = 61761571023079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61761571023209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3995433 + ... + 11810445.

It is an arithmetic number, because the mean of its divisors is an integer number (2847728581488).

Almost surely, 2^{61761571023207} is an apocalyptic number.

61761571023207 is a deficient number, since it is larger than the sum of its proper divisors (29365743584409).

61761571023207 is a wasteful number, since it uses less digits than its factorization.

61761571023207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818471.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 61761571023207 in words is "sixty-one trillion, seven hundred sixty-one billion, five hundred seventy-one million, twenty-three thousand, two hundred seven".