2013077977 has 2 divisors, whose sum is σ = 2013077978. Its totient is φ = 2013077976.

The previous prime is 2013077971. The next prime is 2013077999. The reversal of 2013077977 is 7797703102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1335829401 + 677248576 = 36549^2 + 26024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013077977 - 2⁷ = 2013077849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013077971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006538988 + 1006538989.

It is an arithmetic number, because the mean of its divisors is an integer number (1006538989).

Almost surely, 2^2013077977 is an apocalyptic number.

It is an amenable number.

2013077977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013077977 is an equidigital number, since it uses as much as digits as its factorization.

2013077977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654, while the sum is 43.

The square root of 2013077977 is about 44867.3375296551. The cubic root of 2013077977 is about 1262.6612888342.

The spelling of 2013077977 in words is "two billion, thirteen million, seventy-seven thousand, nine hundred seventy-seven".