86470505 has 8 divisors (see below), whose sum is σ = 113197824. Its totient is φ = 62887600.

The previous prime is 86470481. The next prime is 86470519. The reversal of 86470505 is 50507468.

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

It is not a de Polignac number, because 86470505 - 2⁶ = 86470441 is a prime.

It is a Duffinian number.

It is a Curzon 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, 786041 + ... + 786150.

It is an arithmetic number, because the mean of its divisors is an integer number (14149728).

Almost surely, 2^86470505 is an apocalyptic number.

It is an amenable number.

86470505 is a deficient number, since it is larger than the sum of its proper divisors (26727319).

86470505 is a wasteful number, since it uses less digits than its factorization.

86470505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572207.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 86470505 is about 9298.9518226518. The cubic root of 86470505 is about 442.2039983647.

The spelling of 86470505 in words is "eighty-six million, four hundred seventy thousand, five hundred five".