76513830642 has 24 divisors (see below), whose sum is σ = 174505228560. Its totient is φ = 24162262200.

The previous prime is 76513830583. The next prime is 76513830643. The reversal of 76513830642 is 24603831567.

76513830642 is a `hidden beast` number, since 76 + 513 + 8 + 3 + 0 + 64 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (76513830643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 111861984 + ... + 111862667.

It is an arithmetic number, because the mean of its divisors is an integer number (7271051190).

Almost surely, 2^76513830642 is an apocalyptic number.

76513830642 is an abundant number, since it is smaller than the sum of its proper divisors (97991397918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76513830642 is a wasteful number, since it uses less digits than its factorization.

76513830642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223724678 (or 223724675 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 76513830642 in words is "seventy-six billion, five hundred thirteen million, eight hundred thirty thousand, six hundred forty-two".