86457384815 has 8 divisors (see below), whose sum is σ = 104292050688. Its totient is φ = 68803781920.

The previous prime is 86457384803. The next prime is 86457384833. The reversal of 86457384815 is 51848375468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86457384815 - 2¹⁶ = 86457319279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45264692 + ... + 45266601.

It is an arithmetic number, because the mean of its divisors is an integer number (13036506336).

Almost surely, 2^86457384815 is an apocalyptic number.

86457384815 is a deficient number, since it is larger than the sum of its proper divisors (17834665873).

86457384815 is a wasteful number, since it uses less digits than its factorization.

86457384815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90531489.

The product of its digits is 25804800, while the sum is 59.

The spelling of 86457384815 in words is "eighty-six billion, four hundred fifty-seven million, three hundred eighty-four thousand, eight hundred fifteen".