63485777730 has 16 divisors (see below), whose sum is σ = 152365866624. Its totient is φ = 16929540720.

The previous prime is 63485777713. The next prime is 63485777731. The reversal of 63485777730 is 3777758436.

It is not an unprimeable number, because it can be changed into a prime (63485777731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058096266 + ... + 1058096325.

It is an arithmetic number, because the mean of its divisors is an integer number (9522866664).

Almost surely, 2^63485777730 is an apocalyptic number.

63485777730 is an abundant number, since it is smaller than the sum of its proper divisors (88880088894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63485777730 is a wasteful number, since it uses less digits than its factorization.

63485777730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116192601.

The product of its (nonzero) digits is 20744640, while the sum is 57.

The spelling of 63485777730 in words is "sixty-three billion, four hundred eighty-five million, seven hundred seventy-seven thousand, seven hundred thirty".