5270399977 has 4 divisors (see below), whose sum is σ = 5369841540. Its totient is φ = 5170958416.

The previous prime is 5270399971. The next prime is 5270400007. The reversal of 5270399977 is 7799930725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1371146841 + 3899253136 = 37029^2 + 62444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5270399977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5270399971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49720702 + ... + 49720807.

It is an arithmetic number, because the mean of its divisors is an integer number (1342460385).

Almost surely, 2^5270399977 is an apocalyptic number.

It is an amenable number.

5270399977 is a deficient number, since it is larger than the sum of its proper divisors (99441563).

5270399977 is an equidigital number, since it uses as much as digits as its factorization.

5270399977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99441562.

The product of its (nonzero) digits is 7501410, while the sum is 58.

The square root of 5270399977 is about 72597.5204604124. The cubic root of 5270399977 is about 1740.2615514914.

The spelling of 5270399977 in words is "five billion, two hundred seventy million, three hundred ninety-nine thousand, nine hundred seventy-seven".