68882566744 has 8 divisors (see below), whose sum is σ = 129154812660. Its totient is φ = 34441283368.

The previous prime is 68882566717. The next prime is 68882566757. The reversal of 68882566744 is 44766528886.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×68882566744² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4305160414 + ... + 4305160429.

Almost surely, 2^68882566744 is an apocalyptic number.

It is an amenable number.

68882566744 is a deficient number, since it is larger than the sum of its proper divisors (60272245916).

68882566744 is a wasteful number, since it uses less digits than its factorization.

68882566744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610320849 (or 8610320845 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 64.

The spelling of 68882566744 in words is "sixty-eight billion, eight hundred eighty-two million, five hundred sixty-six thousand, seven hundred forty-four".