5128862707 has 4 divisors (see below), whose sum is σ = 5267480656. Its totient is φ = 4990244760.

The previous prime is 5128862701. The next prime is 5128862729. The reversal of 5128862707 is 7072688215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7072688215 = 5 ⋅1414537643.

It is a de Polignac number, because none of the positive numbers 2^k-5128862707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128862701) 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, 69308919 + ... + 69308992.

It is an arithmetic number, because the mean of its divisors is an integer number (1316870164).

Almost surely, 2^5128862707 is an apocalyptic number.

5128862707 is a deficient number, since it is larger than the sum of its proper divisors (138617949).

5128862707 is a wasteful number, since it uses less digits than its factorization.

5128862707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138617948.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 5128862707 is about 71616.0785508394. The cubic root of 5128862707 is about 1724.5416643535.

The spelling of 5128862707 in words is "five billion, one hundred twenty-eight million, eight hundred sixty-two thousand, seven hundred seven".