76786442790 has 16 divisors (see below), whose sum is σ = 184287462768. Its totient is φ = 20476384736.

The previous prime is 76786442743. The next prime is 76786442791. The reversal of 76786442790 is 9724468767.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76786442791) 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, 1279774017 + ... + 1279774076.

It is an arithmetic number, because the mean of its divisors is an integer number (11517966423).

Almost surely, 2^76786442790 is an apocalyptic number.

76786442790 is an abundant number, since it is smaller than the sum of its proper divisors (107501019978).

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

76786442790 is a wasteful number, since it uses less digits than its factorization.

76786442790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559548103.

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 76786442790 in words is "seventy-six billion, seven hundred eighty-six million, four hundred forty-two thousand, seven hundred ninety".