84457205817113 has 32 divisors (see below), whose sum is σ = 89377457971200. Its totient is φ = 79644065282496.

The previous prime is 84457205817107. The next prime is 84457205817143. The reversal of 84457205817113 is 31171850275448.

It is a cyclic number.

It is not a de Polignac number, because 84457205817113 - 2³⁴ = 84440025947929 is a prime.

It is a super-2 number, since 2×84457205817113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84457205817143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9314786006 + ... + 9314795072.

It is an arithmetic number, because the mean of its divisors is an integer number (2793045561600).

Almost surely, 2^{84457205817113} is an apocalyptic number.

It is an amenable number.

84457205817113 is a deficient number, since it is larger than the sum of its proper divisors (4920252154087).

84457205817113 is a wasteful number, since it uses less digits than its factorization.

84457205817113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16221.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 84457205817113 in words is "eighty-four trillion, four hundred fifty-seven billion, two hundred five million, eight hundred seventeen thousand, one hundred thirteen".