60784991 has 2 divisors, whose sum is σ = 60784992. Its totient is φ = 60784990.

The previous prime is 60784987. The next prime is 60785033. The reversal of 60784991 is 19948706.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60784991 - 2² = 60784987 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60784961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30392495 + 30392496.

It is an arithmetic number, because the mean of its divisors is an integer number (30392496).

Almost surely, 2^60784991 is an apocalyptic number.

60784991 is a deficient number, since it is larger than the sum of its proper divisors (1).

60784991 is an equidigital number, since it uses as much as digits as its factorization.

60784991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 60784991 is about 7796.4729846258. The cubic root of 60784991 is about 393.1866698403.

The spelling of 60784991 in words is "sixty million, seven hundred eighty-four thousand, nine hundred ninety-one".