61942799763 has 56 divisors (see below), whose sum is σ = 101903607792. Its totient is φ = 37399123008.

The previous prime is 61942799749. The next prime is 61942799771. The reversal of 61942799763 is 36799724916.

61942799763 is a `hidden beast` number, since 61 + 9 + 427 + 9 + 97 + 63 = 666.

It is not a de Polignac number, because 61942799763 - 2⁸ = 61942799507 is a prime.

It is a super-2 number, since 2×61942799763² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61942799763.

It is not an unprimeable number, because it can be changed into a prime (61942799773) 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 55 ways as a sum of consecutive naturals, for example, 440620 + ... + 563942.

It is an arithmetic number, because the mean of its divisors is an integer number (1819707282).

Almost surely, 2^61942799763 is an apocalyptic number.

61942799763 is a deficient number, since it is larger than the sum of its proper divisors (39960808029).

61942799763 is a wasteful number, since it uses less digits than its factorization.

61942799763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123407 (or 123392 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 61942799763 in words is "sixty-one billion, nine hundred forty-two million, seven hundred ninety-nine thousand, seven hundred sixty-three".