84508211585 has 16 divisors (see below), whose sum is σ = 118362871296. Its totient is φ = 56715540288.

The previous prime is 84508211497. The next prime is 84508211617. The reversal of 84508211585 is 58511280548.

It is a cyclic number.

It is not a de Polignac number, because 84508211585 - 2¹⁶ = 84508146049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25684742 + ... + 25688031.

It is an arithmetic number, because the mean of its divisors is an integer number (7397679456).

Almost surely, 2^84508211585 is an apocalyptic number.

It is an amenable number.

84508211585 is a deficient number, since it is larger than the sum of its proper divisors (33854659711).

84508211585 is a wasteful number, since it uses less digits than its factorization.

84508211585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51372832.

The product of its (nonzero) digits is 512000, while the sum is 47.

The spelling of 84508211585 in words is "eighty-four billion, five hundred eight million, two hundred eleven thousand, five hundred eighty-five".