84057523867 has 8 divisors (see below), whose sum is σ = 85294966400. Its totient is φ = 82827650304.

The previous prime is 84057523861. The next prime is 84057523883. The reversal of 84057523867 is 76832575048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84057523867 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1869867 + ... + 1914292.

It is an arithmetic number, because the mean of its divisors is an integer number (10661870800).

Almost surely, 2^84057523867 is an apocalyptic number.

84057523867 is a deficient number, since it is larger than the sum of its proper divisors (1237442533).

84057523867 is a wasteful number, since it uses less digits than its factorization.

84057523867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784485.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 84057523867 in words is "eighty-four billion, fifty-seven million, five hundred twenty-three thousand, eight hundred sixty-seven".