61264485736 has 32 divisors (see below), whose sum is σ = 115771400640. Its totient is φ = 30392788608.

The previous prime is 61264485719. The next prime is 61264485749. The reversal of 61264485736 is 63758446216.

61264485736 is a modest number, since divided by 485736 gives 61264 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688876 + ... + 772708.

It is an arithmetic number, because the mean of its divisors is an integer number (3617856270).

Almost surely, 2^61264485736 is an apocalyptic number.

It is an amenable number.

61264485736 is a deficient number, since it is larger than the sum of its proper divisors (54506914904).

61264485736 is a wasteful number, since it uses less digits than its factorization.

61264485736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84553 (or 84549 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The spelling of 61264485736 in words is "sixty-one billion, two hundred sixty-four million, four hundred eighty-five thousand, seven hundred thirty-six".