68764175461 has 16 divisors (see below), whose sum is σ = 70437620736. Its totient is φ = 67099845616.

The previous prime is 68764175419. The next prime is 68764175509. The reversal of 68764175461 is 16457146786.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68764175461 - 2⁹ = 68764174949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69764175461) 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, 36057870 + ... + 36059776.

It is an arithmetic number, because the mean of its divisors is an integer number (4402351296).

Almost surely, 2^68764175461 is an apocalyptic number.

It is an amenable number.

68764175461 is a deficient number, since it is larger than the sum of its proper divisors (1673445275).

68764175461 is a wasteful number, since it uses less digits than its factorization.

68764175461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848.

The product of its digits is 6773760, while the sum is 55.

The spelling of 68764175461 in words is "sixty-eight billion, seven hundred sixty-four million, one hundred seventy-five thousand, four hundred sixty-one".