84174217357057 has 32 divisors (see below), whose sum is σ = 87350321203200. Its totient is φ = 81065192947200.

The previous prime is 84174217357051. The next prime is 84174217357127. The reversal of 84174217357057 is 75075371247148.

It is a cyclic number.

It is not a de Polignac number, because 84174217357057 - 2¹⁵ = 84174217324289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84174217356986 and 84174217357004.

It is not an unprimeable number, because it can be changed into a prime (84174217357051) 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, 1620547707 + ... + 1620599647.

It is an arithmetic number, because the mean of its divisors is an integer number (2729697537600).

Almost surely, 2^{84174217357057} is an apocalyptic number.

It is an amenable number.

84174217357057 is a deficient number, since it is larger than the sum of its proper divisors (3176103846143).

84174217357057 is a wasteful number, since it uses less digits than its factorization.

84174217357057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53937.

The product of its (nonzero) digits is 46099200, while the sum is 61.

The spelling of 84174217357057 in words is "eighty-four trillion, one hundred seventy-four billion, two hundred seventeen million, three hundred fifty-seven thousand, fifty-seven".