86245576478 has 4 divisors (see below), whose sum is σ = 129368364720. Its totient is φ = 43122788238.

The previous prime is 86245576453. The next prime is 86245576481. The reversal of 86245576478 is 87467554268.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86245576478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21561394118 + ... + 21561394121.

It is an arithmetic number, because the mean of its divisors is an integer number (32342091180).

Almost surely, 2^86245576478 is an apocalyptic number.

86245576478 is a deficient number, since it is larger than the sum of its proper divisors (43122788242).

86245576478 is a wasteful number, since it uses less digits than its factorization.

86245576478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43122788241.

The product of its digits is 90316800, while the sum is 62.

The spelling of 86245576478 in words is "eighty-six billion, two hundred forty-five million, five hundred seventy-six thousand, four hundred seventy-eight".