7128513376 has 24 divisors (see below), whose sum is σ = 14039346384. Its totient is φ = 3562965120.

The previous prime is 7128513373. The next prime is 7128513377. The reversal of 7128513376 is 6733158217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7128513373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52621 + ... + 130483.

It is an arithmetic number, because the mean of its divisors is an integer number (584972766).

Almost surely, 2^7128513376 is an apocalyptic number.

It is an amenable number.

7128513376 is a deficient number, since it is larger than the sum of its proper divisors (6910833008).

7128513376 is a wasteful number, since it uses less digits than its factorization.

7128513376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80734 (or 80726 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 7128513376 is about 84430.5239590517. The cubic root of 7128513376 is about 1924.5667997824.

The spelling of 7128513376 in words is "seven billion, one hundred twenty-eight million, five hundred thirteen thousand, three hundred seventy-six".