84826446642 has 80 divisors (see below), whose sum is σ = 223098638400. Its totient is φ = 23581085472.

The previous prime is 84826446587. The next prime is 84826446667. The reversal of 84826446642 is 24664462848.

84826446642 is a `hidden beast` number, since 8 + 4 + 82 + 64 + 466 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 968892 + ... + 1052807.

It is an arithmetic number, because the mean of its divisors is an integer number (2788732980).

Almost surely, 2^84826446642 is an apocalyptic number.

84826446642 is an abundant number, since it is smaller than the sum of its proper divisors (138272191758).

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

84826446642 is a wasteful number, since it uses less digits than its factorization.

84826446642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021757 (or 2021748 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 54.

The spelling of 84826446642 in words is "eighty-four billion, eight hundred twenty-six million, four hundred forty-six thousand, six hundred forty-two".