60020999977 has 2 divisors, whose sum is σ = 60020999978. Its totient is φ = 60020999976.

The previous prime is 60020999963. The next prime is 60021000029. The reversal of 60020999977 is 77999902006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50066747536 + 9954252441 = 223756^2 + 99771^2 .

It is a cyclic number.

It is not a de Polignac number, because 60020999977 - 2³¹ = 57873516329 is a prime.

It is not a weakly prime, because it can be changed into another prime (60020999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30010499988 + 30010499989.

It is an arithmetic number, because the mean of its divisors is an integer number (30010499989).

Almost surely, 2^60020999977 is an apocalyptic number.

It is an amenable number.

60020999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

60020999977 is an equidigital number, since it uses as much as digits as its factorization.

60020999977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 58.

The spelling of 60020999977 in words is "sixty billion, twenty million, nine hundred ninety-nine thousand, nine hundred seventy-seven".