61230776746 has 16 divisors (see below), whose sum is σ = 94338816264. Its totient is φ = 29784685824.

The previous prime is 61230776743. The next prime is 61230776773. The reversal of 61230776746 is 64767703216.

It can be written as a sum of positive squares in 4 ways, for example, as 60027450025 + 1203326721 = 245005^2 + 34689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61230776746.

It is not an unprimeable number, because it can be changed into a prime (61230776743) 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, 723046 + ... + 803278.

Almost surely, 2^61230776746 is an apocalyptic number.

61230776746 is a deficient number, since it is larger than the sum of its proper divisors (33108039518).

61230776746 is a wasteful number, since it uses less digits than its factorization.

61230776746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90585.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 61230776746 in words is "sixty-one billion, two hundred thirty million, seven hundred seventy-six thousand, seven hundred forty-six".