63885995746 has 8 divisors (see below), whose sum is σ = 96325517484. Its totient is φ = 31777489920.

The previous prime is 63885995717. The next prime is 63885995749. The reversal of 63885995746 is 64759958836.

It can be written as a sum of positive squares in 2 ways, for example, as 48637450521 + 15248545225 = 220539^2 + 123485^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63885995749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82753495 + ... + 82754266.

Almost surely, 2^63885995746 is an apocalyptic number.

63885995746 is a deficient number, since it is larger than the sum of its proper divisors (32439521738).

63885995746 is a wasteful number, since it uses less digits than its factorization.

63885995746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165507956.

The product of its digits is 391910400, while the sum is 70.

The spelling of 63885995746 in words is "sixty-three billion, eight hundred eighty-five million, nine hundred ninety-five thousand, seven hundred forty-six".