84162000779 has 4 divisors (see below), whose sum is σ = 84162642960. Its totient is φ = 84161358600.

The previous prime is 84162000763. The next prime is 84162000899. The reversal of 84162000779 is 97700026148.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 84162000779 - 2⁴ = 84162000763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84162002779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45872 + ... + 412829.

It is an arithmetic number, because the mean of its divisors is an integer number (21040660740).

Almost surely, 2^84162000779 is an apocalyptic number.

84162000779 is a deficient number, since it is larger than the sum of its proper divisors (642181).

84162000779 is a wasteful number, since it uses less digits than its factorization.

84162000779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642180.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 84162000779 in words is "eighty-four billion, one hundred sixty-two million, seven hundred seventy-nine", and thus it is an aban number.