76609740285 has 48 divisors (see below), whose sum is σ = 143456315184. Its totient is φ = 37596496896.

The previous prime is 76609740269. The next prime is 76609740323. The reversal of 76609740285 is 58204790667.

76609740285 is a `hidden beast` number, since 7 + 6 + 609 + 7 + 4 + 0 + 28 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8038556964 + 68571183321 = 89658^2 + 261861^2 .

It is not a de Polignac number, because 76609740285 - 2⁴ = 76609740269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21112 + ... + 392001.

It is an arithmetic number, because the mean of its divisors is an integer number (2988673233).

Almost surely, 2^76609740285 is an apocalyptic number.

It is an amenable number.

76609740285 is a deficient number, since it is larger than the sum of its proper divisors (66846574899).

76609740285 is a wasteful number, since it uses less digits than its factorization.

76609740285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413454 (or 413451 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 76609740285 in words is "seventy-six billion, six hundred nine million, seven hundred forty thousand, two hundred eighty-five".