76815876859842 has 16 divisors (see below), whose sum is σ = 154059697327680. Its totient is φ = 25533968351952.

The previous prime is 76815876859769. The next prime is 76815876859849. The reversal of 76815876859842 is 24895867851867.

It is not an unprimeable number, because it can be changed into a prime (76815876859849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17830981333 + ... + 17830985640.

It is an arithmetic number, because the mean of its divisors is an integer number (9628731082980).

Almost surely, 2^{76815876859842} is an apocalyptic number.

76815876859842 is an abundant number, since it is smaller than the sum of its proper divisors (77243820467838).

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

76815876859842 is a wasteful number, since it uses less digits than its factorization.

76815876859842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35661967337.

The product of its digits is 13005619200, while the sum is 84.

The spelling of 76815876859842 in words is "seventy-six trillion, eight hundred fifteen billion, eight hundred seventy-six million, eight hundred fifty-nine thousand, eight hundred forty-two".