810076786842 has 16 divisors (see below), whose sum is σ = 1620503026272. Its totient is φ = 269967353520.

The previous prime is 810076786823. The next prime is 810076786847. The reversal of 810076786842 is 248687670018.

It is a happy number.

810076786842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (810076786847) 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, 14530384 + ... + 14586027.

It is an arithmetic number, because the mean of its divisors is an integer number (101281439142).

Almost surely, 2^810076786842 is an apocalyptic number.

810076786842 is an abundant number, since it is smaller than the sum of its proper divisors (810426239430).

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

810076786842 is a wasteful number, since it uses less digits than its factorization.

810076786842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29121053.

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 810076786842 in words is "eight hundred ten billion, seventy-six million, seven hundred eighty-six thousand, eight hundred forty-two".