86406914884521 has 64 divisors (see below), whose sum is σ = 148064555335680. Its totient is φ = 43521095703360.

The previous prime is 86406914884501. The next prime is 86406914884523. The reversal of 86406914884521 is 12548841960468.

It is not a de Polignac number, because 86406914884521 - 2⁹ = 86406914884009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86406914884523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36028191 + ... + 38351588.

It is an arithmetic number, because the mean of its divisors is an integer number (2313508677120).

Almost surely, 2^{86406914884521} is an apocalyptic number.

It is an amenable number.

86406914884521 is a deficient number, since it is larger than the sum of its proper divisors (61657640451159).

86406914884521 is a wasteful number, since it uses less digits than its factorization.

86406914884521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74379954.

The product of its (nonzero) digits is 106168320, while the sum is 66.

The spelling of 86406914884521 in words is "eighty-six trillion, four hundred six billion, nine hundred fourteen million, eight hundred eighty-four thousand, five hundred twenty-one".