685127093 has 8 divisors (see below), whose sum is σ = 783526080. Its totient is φ = 586859040.

The previous prime is 685127089. The next prime is 685127141. The reversal of 685127093 is 390721586.

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

It is a cyclic number.

It is not a de Polignac number, because 685127093 - 2² = 685127089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 685127093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685127083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21248 + ... + 42681.

It is an arithmetic number, because the mean of its divisors is an integer number (97940760).

Almost surely, 2^685127093 is an apocalyptic number.

It is an amenable number.

685127093 is a deficient number, since it is larger than the sum of its proper divisors (98398987).

685127093 is a wasteful number, since it uses less digits than its factorization.

685127093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65467.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 685127093 is about 26174.9325309541. The cubic root of 685127093 is about 881.5704965880.

The spelling of 685127093 in words is "six hundred eighty-five million, one hundred twenty-seven thousand, ninety-three".