61463317786 has 8 divisors (see below), whose sum is σ = 99286898004. Its totient is φ = 28367685120.

The previous prime is 61463317771. The next prime is 61463317807. The reversal of 61463317786 is 68771336416.

It can be written as a sum of positive squares in 2 ways, for example, as 61321112161 + 142205625 = 247631^2 + 11925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181986855 + ... + 1181986906.

Almost surely, 2^61463317786 is an apocalyptic number.

61463317786 is a deficient number, since it is larger than the sum of its proper divisors (37823580218).

61463317786 is a wasteful number, since it uses less digits than its factorization.

61463317786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363973776.

The product of its digits is 3048192, while the sum is 52.

The spelling of 61463317786 in words is "sixty-one billion, four hundred sixty-three million, three hundred seventeen thousand, seven hundred eighty-six".