61742178088 has 16 divisors (see below), whose sum is σ = 115809868980. Its totient is φ = 30859546368.

The previous prime is 61742178083. The next prime is 61742178139. The reversal of 61742178088 is 88087124716.

61742178088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46475598724 + 15266579364 = 215582^2 + 123558^2 .

It is not an unprimeable number, because it can be changed into a prime (61742178083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420081 + ... + 1462912.

Almost surely, 2^61742178088 is an apocalyptic number.

It is an amenable number.

61742178088 is a deficient number, since it is larger than the sum of its proper divisors (54067690892).

61742178088 is a wasteful number, since it uses less digits than its factorization.

61742178088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885676 (or 2885672 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 61742178088 in words is "sixty-one billion, seven hundred forty-two million, one hundred seventy-eight thousand, eighty-eight".