60778973 has 2 divisors, whose sum is σ = 60778974. Its totient is φ = 60778972.

The previous prime is 60778957. The next prime is 60779009. The reversal of 60778973 is 37987706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54493924 + 6285049 = 7382^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 60778973 - 2⁴ = 60778957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60778273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30389486 + 30389487.

It is an arithmetic number, because the mean of its divisors is an integer number (30389487).

Almost surely, 2^60778973 is an apocalyptic number.

It is an amenable number.

60778973 is a deficient number, since it is larger than the sum of its proper divisors (1).

60778973 is an equidigital number, since it uses as much as digits as its factorization.

60778973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 60778973 is about 7796.0870313254. The cubic root of 60778973 is about 393.1736936355.

The spelling of 60778973 in words is "sixty million, seven hundred seventy-eight thousand, nine hundred seventy-three".