60820987 has 2 divisors, whose sum is σ = 60820988. Its totient is φ = 60820986.

The previous prime is 60820939. The next prime is 60820997. The reversal of 60820987 is 78902806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60820987 - 2¹¹ = 60818939 is a prime.

It is not a weakly prime, because it can be changed into another prime (60820997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30410493 + 30410494.

It is an arithmetic number, because the mean of its divisors is an integer number (30410494).

Almost surely, 2^60820987 is an apocalyptic number.

60820987 is a deficient number, since it is larger than the sum of its proper divisors (1).

60820987 is an equidigital number, since it uses as much as digits as its factorization.

60820987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 60820987 is about 7798.7811227140. The cubic root of 60820987 is about 393.2642676940.

The spelling of 60820987 in words is "sixty million, eight hundred twenty thousand, nine hundred eighty-seven".