86420571 has 8 divisors (see below), whose sum is σ = 122005584. Its totient is φ = 54224640.

The previous prime is 86420527. The next prime is 86420599. The reversal of 86420571 is 17502468.

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

It is not a de Polignac number, because 86420571 - 2⁶ = 86420507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86420171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847210 + ... + 847311.

It is an arithmetic number, because the mean of its divisors is an integer number (15250698).

Almost surely, 2^86420571 is an apocalyptic number.

86420571 is a deficient number, since it is larger than the sum of its proper divisors (35585013).

86420571 is a wasteful number, since it uses less digits than its factorization.

86420571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694541.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86420571 is about 9296.2665086582. The cubic root of 86420571 is about 442.1188623360.

The spelling of 86420571 in words is "eighty-six million, four hundred twenty thousand, five hundred seventy-one".