84206757085 has 32 divisors (see below), whose sum is σ = 110620598400. Its totient is φ = 61027061760.

The previous prime is 84206757053. The next prime is 84206757097. The reversal of 84206757085 is 58075760248.

It is not a de Polignac number, because 84206757085 - 2⁵ = 84206757053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23859601 + ... + 23863129.

It is an arithmetic number, because the mean of its divisors is an integer number (3456893700).

Almost surely, 2^84206757085 is an apocalyptic number.

It is an amenable number.

84206757085 is a deficient number, since it is larger than the sum of its proper divisors (26413841315).

84206757085 is a wasteful number, since it uses less digits than its factorization.

84206757085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 84206757085 in words is "eighty-four billion, two hundred six million, seven hundred fifty-seven thousand, eighty-five".