61776300063 has 32 divisors (see below), whose sum is σ = 87130847232. Its totient is φ = 38871504000.

The previous prime is 61776300049. The next prime is 61776300067. The reversal of 61776300063 is 36000367716.

It is not a de Polignac number, because 61776300063 - 2⁸ = 61776299807 is a prime.

It is a super-2 number, since 2×61776300063² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61776299994 and 61776300030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61776300067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2792281 + ... + 2814317.

It is an arithmetic number, because the mean of its divisors is an integer number (2722838976).

Almost surely, 2^61776300063 is an apocalyptic number.

61776300063 is a deficient number, since it is larger than the sum of its proper divisors (25354547169).

61776300063 is a wasteful number, since it uses less digits than its factorization.

61776300063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815.

The product of its (nonzero) digits is 95256, while the sum is 39.

Adding to 61776300063 its reverse (36000367716), we get a palindrome (97776667779).

The spelling of 61776300063 in words is "sixty-one billion, seven hundred seventy-six million, three hundred thousand, sixty-three".