76366559025 has 189 divisors, whose sum is σ = 150104502289. Its totient is φ = 38520282240.

The previous prime is 76366558991. The next prime is 76366559053. The reversal of 76366559025 is 52095566367.

It is a happy number.

The square root of 76366559025 is 276345.

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

76366559025 is a `hidden beast` number, since 7 + 6 + 3 + 66 + 559 + 0 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15891879969 + 60474679056 = 126063^2 + 245916^2 .

It is not a de Polignac number, because 76366559025 - 2⁷ = 76366558897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 858051181 + ... + 858051269.

Almost surely, 2^76366559025 is an apocalyptic number.

76366559025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76366559025 is the 276345-th square number.

76366559025 is the 138173-rd centered octagonal number.

It is an amenable number.

76366559025 is a deficient number, since it is larger than the sum of its proper divisors (73737943264).

76366559025 is an frugal number, since it uses more digits than its factorization.

76366559025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 54.

The spelling of 76366559025 in words is "seventy-six billion, three hundred sixty-six million, five hundred fifty-nine thousand, twenty-five".