68177485 has 4 divisors (see below), whose sum is σ = 81812988. Its totient is φ = 54541984.

The previous prime is 68177479. The next prime is 68177503. The reversal of 68177485 is 58477186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58477186 = 2 ⋅29238593.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 55920484 = 3501^2 + 7478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68177485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6817744 + ... + 6817753.

It is an arithmetic number, because the mean of its divisors is an integer number (20453247).

Almost surely, 2^68177485 is an apocalyptic number.

It is an amenable number.

68177485 is a deficient number, since it is larger than the sum of its proper divisors (13635503).

68177485 is a wasteful number, since it uses less digits than its factorization.

68177485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635502.

The product of its digits is 376320, while the sum is 46.

The square root of 68177485 is about 8256.9658470894. The cubic root of 68177485 is about 408.5203156790.

The spelling of 68177485 in words is "sixty-eight million, one hundred seventy-seven thousand, four hundred eighty-five".