86540372228434 has 4 divisors (see below), whose sum is σ = 129810558342654. Its totient is φ = 43270186114216.

The previous prime is 86540372228417. The next prime is 86540372228491. The reversal of 86540372228434 is 43482227304568.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58940090790025 + 27600281438409 = 7677245^2 + 5253597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21635093057107 + ... + 21635093057110.

Almost surely, 2^{86540372228434} is an apocalyptic number.

86540372228434 is a deficient number, since it is larger than the sum of its proper divisors (43270186114220).

86540372228434 is a wasteful number, since it uses less digits than its factorization.

86540372228434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43270186114219.

The product of its (nonzero) digits is 61931520, while the sum is 58.

The spelling of 86540372228434 in words is "eighty-six trillion, five hundred forty billion, three hundred seventy-two million, two hundred twenty-eight thousand, four hundred thirty-four".