84057523868 has 48 divisors (see below), whose sum is σ = 152930254848. Its totient is φ = 40383360000.

The previous prime is 84057523861. The next prime is 84057523883. The reversal of 84057523868 is 86832575048.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84057523861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13662593 + ... + 13668743.

It is an arithmetic number, because the mean of its divisors is an integer number (3186046976).

Almost surely, 2^84057523868 is an apocalyptic number.

It is an amenable number.

84057523868 is a deficient number, since it is larger than the sum of its proper divisors (68872730980).

84057523868 is a wasteful number, since it uses less digits than its factorization.

84057523868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954 (or 6952 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 84057523868 in words is "eighty-four billion, fifty-seven million, five hundred twenty-three thousand, eight hundred sixty-eight".