68763687446637 has 12 divisors (see below), whose sum is σ = 99983109931744. Its totient is φ = 45538865857800.

The previous prime is 68763687446633. The next prime is 68763687446669. The reversal of 68763687446637 is 73664478636786.

68763687446637 is a `hidden beast` number, since 6 + 8 + 7 + 6 + 36 + 87 + 446 + 63 + 7 = 666.

It is not a de Polignac number, because 68763687446637 - 2² = 68763687446633 is a prime.

It is a super-2 number, since 2×68763687446637² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68763687446633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25299368563 + ... + 25299371280.

Almost surely, 2^{68763687446637} is an apocalyptic number.

It is an amenable number.

68763687446637 is a deficient number, since it is larger than the sum of its proper divisors (31219422485107).

68763687446637 is a wasteful number, since it uses less digits than its factorization.

68763687446637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50598740000 (or 50598739997 counting only the distinct ones).

The product of its digits is 24580620288, while the sum is 81.

The spelling of 68763687446637 in words is "sixty-eight trillion, seven hundred sixty-three billion, six hundred eighty-seven million, four hundred forty-six thousand, six hundred thirty-seven".