76434555025 has 24 divisors (see below), whose sum is σ = 95904631800. Its totient is φ = 60422208000.

The previous prime is 76434554957. The next prime is 76434555037. The reversal of 76434555025 is 52055543467.

It is a happy number.

It is a Cunningham number, because it is equal to 276468²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 50755133521 + 25679421504 = 225289^2 + 160248^2 .

It is not a de Polignac number, because 76434555025 - 2⁹ = 76434554513 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3792475 + ... + 3812575.

It is an arithmetic number, because the mean of its divisors is an integer number (3996026325).

Almost surely, 2^76434555025 is an apocalyptic number.

It is an amenable number.

76434555025 is a deficient number, since it is larger than the sum of its proper divisors (19470076775).

76434555025 is a wasteful number, since it uses less digits than its factorization.

76434555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21909 (or 21904 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 46.

The spelling of 76434555025 in words is "seventy-six billion, four hundred thirty-four million, five hundred fifty-five thousand, twenty-five".