61767273623 has 8 divisors (see below), whose sum is σ = 69706014480. Its totient is φ = 54215788480.

The previous prime is 61767273619. The next prime is 61767273647. The reversal of 61767273623 is 32637276716.

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 61767273623 - 2² = 61767273619 is a prime.

It is a super-2 number, since 2×61767273623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61767273613) 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, 96813590 + ... + 96814227.

It is an arithmetic number, because the mean of its divisors is an integer number (8713251810).

Almost surely, 2^61767273623 is an apocalyptic number.

61767273623 is a deficient number, since it is larger than the sum of its proper divisors (7938740857).

61767273623 is a wasteful number, since it uses less digits than its factorization.

61767273623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193627857.

The product of its digits is 2667168, while the sum is 50.

The spelling of 61767273623 in words is "sixty-one billion, seven hundred sixty-seven million, two hundred seventy-three thousand, six hundred twenty-three".