60820117 has 4 divisors (see below), whose sum is σ = 61108576. Its totient is φ = 60531660.

The previous prime is 60820099. The next prime is 60820127. The reversal of 60820117 is 71102806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60820117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60820091 and 60820100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60820127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143913 + ... + 144334.

It is an arithmetic number, because the mean of its divisors is an integer number (15277144).

Almost surely, 2^60820117 is an apocalyptic number.

It is an amenable number.

60820117 is a deficient number, since it is larger than the sum of its proper divisors (288459).

60820117 is a wasteful number, since it uses less digits than its factorization.

60820117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288458.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 60820117 is about 7798.7253445675. The cubic root of 60820117 is about 393.2623925653.

The spelling of 60820117 in words is "sixty million, eight hundred twenty thousand, one hundred seventeen".