86532473 has 4 divisors (see below), whose sum is σ = 86648448. Its totient is φ = 86416500.

The previous prime is 86532451. The next prime is 86532487. The reversal of 86532473 is 37423568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86532473 - 2²² = 82338169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86532073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56861 + ... + 58362.

It is an arithmetic number, because the mean of its divisors is an integer number (21662112).

Almost surely, 2^86532473 is an apocalyptic number.

It is an amenable number.

86532473 is a deficient number, since it is larger than the sum of its proper divisors (115975).

86532473 is a wasteful number, since it uses less digits than its factorization.

86532473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115974.

The product of its digits is 120960, while the sum is 38.

The square root of 86532473 is about 9302.2832143512. The cubic root of 86532473 is about 442.3096064527.

The spelling of 86532473 in words is "eighty-six million, five hundred thirty-two thousand, four hundred seventy-three".