61791059723 has 16 divisors (see below), whose sum is σ = 66793908960. Its totient is φ = 56947900416.

The previous prime is 61791059711. The next prime is 61791059731. The reversal of 61791059723 is 32795019716.

61791059723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61791059723 - 2¹⁴ = 61791043339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61791059623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137915 + ... + 377627.

It is an arithmetic number, because the mean of its divisors is an integer number (4174619310).

Almost surely, 2^61791059723 is an apocalyptic number.

61791059723 is a deficient number, since it is larger than the sum of its proper divisors (5002849237).

61791059723 is a wasteful number, since it uses less digits than its factorization.

61791059723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240046.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 61791059723 in words is "sixty-one billion, seven hundred ninety-one million, fifty-nine thousand, seven hundred twenty-three".