5199999977 has 2 divisors, whose sum is σ = 5199999978. Its totient is φ = 5199999976.

The previous prime is 5199999953. The next prime is 5200000033. The reversal of 5199999977 is 7799999915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3806396416 + 1393603561 = 61696^2 + 37331^2 .

It is a cyclic number.

It is not a de Polignac number, because 5199999977 - 2¹² = 5199995881 is a prime.

It is not a weakly prime, because it can be changed into another prime (5199999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599999988 + 2599999989.

It is an arithmetic number, because the mean of its divisors is an integer number (2599999989).

Almost surely, 2^5199999977 is an apocalyptic number.

It is an amenable number.

5199999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5199999977 is an equidigital number, since it uses as much as digits as its factorization.

5199999977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130203045, while the sum is 74.

The square root of 5199999977 is about 72111.0253498035. The cubic root of 5199999977 is about 1732.4782081275.

The spelling of 5199999977 in words is "five billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-seven".