61776682514 has 32 divisors (see below), whose sum is σ = 99172926720. Its totient is φ = 28789657600.

The previous prime is 61776682507. The next prime is 61776682519. The reversal of 61776682514 is 41528667716.

It is not an unprimeable number, because it can be changed into a prime (61776682519) 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 15 ways as a sum of consecutive naturals, for example, 1562834 + ... + 1601874.

It is an arithmetic number, because the mean of its divisors is an integer number (3099153960).

Almost surely, 2^61776682514 is an apocalyptic number.

61776682514 is a deficient number, since it is larger than the sum of its proper divisors (37396244206).

61776682514 is a wasteful number, since it uses less digits than its factorization.

61776682514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39946.

The product of its digits is 3386880, while the sum is 53.

The spelling of 61776682514 in words is "sixty-one billion, seven hundred seventy-six million, six hundred eighty-two thousand, five hundred fourteen".