78262300516 has 27 divisors (see below), whose sum is σ = 138101284587. Its totient is φ = 38807474880.

The previous prime is 78262300453. The next prime is 78262300541. The reversal of 78262300516 is 61500326287.

The square root of 78262300516 is 279754.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2249604900 + 76012695616 = 47430^2 + 275704^2 .

It is a super-2 number, since 2×78262300516² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76652086 + ... + 76653106.

Almost surely, 2^78262300516 is an apocalyptic number.

78262300516 is the 279754-th square number.

It is an amenable number.

78262300516 is a deficient number, since it is larger than the sum of its proper divisors (59838984071).

78262300516 is an equidigital number, since it uses as much as digits as its factorization.

78262300516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 78262300516 in words is "seventy-eight billion, two hundred sixty-two million, three hundred thousand, five hundred sixteen".