7828757516 has 24 divisors (see below), whose sum is σ = 14546679840. Its totient is φ = 3673847552.

The previous prime is 7828757501. The next prime is 7828757539. The reversal of 7828757516 is 6157578287.

It is a super-2 number, since 2×7828757516² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135935 + ... + 184758.

It is an arithmetic number, because the mean of its divisors is an integer number (606111660).

Almost surely, 2^7828757516 is an apocalyptic number.

It is an amenable number.

7828757516 is a deficient number, since it is larger than the sum of its proper divisors (6717922324).

7828757516 is a wasteful number, since it uses less digits than its factorization.

7828757516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321073 (or 321071 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 56.

The square root of 7828757516 is about 88480.2662518598. The cubic root of 7828757516 is about 1985.6267452216.

The spelling of 7828757516 in words is "seven billion, eight hundred twenty-eight million, seven hundred fifty-seven thousand, five hundred sixteen".