63775090617 has 16 divisors (see below), whose sum is σ = 98182960512. Its totient is φ = 36067207680.

The previous prime is 63775090609. The next prime is 63775090633. The reversal of 63775090617 is 71609057736.

It is not a de Polignac number, because 63775090617 - 2³ = 63775090609 is a prime.

It is a super-2 number, since 2×63775090617² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63775090617.

It is not an unprimeable number, because it can be changed into a prime (63775070617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15652134 + ... + 15656207.

It is an arithmetic number, because the mean of its divisors is an integer number (6136435032).

Almost surely, 2^63775090617 is an apocalyptic number.

It is an amenable number.

63775090617 is a deficient number, since it is larger than the sum of its proper divisors (34407869895).

63775090617 is a wasteful number, since it uses less digits than its factorization.

63775090617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31308448.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The spelling of 63775090617 in words is "sixty-three billion, seven hundred seventy-five million, ninety thousand, six hundred seventeen".