86570945 has 16 divisors (see below), whose sum is σ = 109762560. Its totient is φ = 65440704.

The previous prime is 86570929. The next prime is 86570959. The reversal of 86570945 is 54907568.

It is not a de Polignac number, because 86570945 - 2⁴ = 86570929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86570896 and 86570905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464 + ... + 13166.

It is an arithmetic number, because the mean of its divisors is an integer number (6860160).

Almost surely, 2^86570945 is an apocalyptic number.

It is an amenable number.

86570945 is a deficient number, since it is larger than the sum of its proper divisors (23191615).

86570945 is a wasteful number, since it uses less digits than its factorization.

86570945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 86570945 is about 9304.3508639776. The cubic root of 86570945 is about 442.3751464493.

The spelling of 86570945 in words is "eighty-six million, five hundred seventy thousand, nine hundred forty-five".