84068831564 has 12 divisors (see below), whose sum is σ = 147123576600. Its totient is φ = 42033523968.

The previous prime is 84068831563. The next prime is 84068831611. The reversal of 84068831564 is 46513886048.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84068831563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18107 + ... + 410445.

It is an arithmetic number, because the mean of its divisors is an integer number (12260298050).

Almost surely, 2^84068831564 is an apocalyptic number.

It is an amenable number.

84068831564 is a deficient number, since it is larger than the sum of its proper divisors (63054745036).

84068831564 is a wasteful number, since it uses less digits than its factorization.

84068831564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445912 (or 445910 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 84068831564 in words is "eighty-four billion, sixty-eight million, eight hundred thirty-one thousand, five hundred sixty-four".