86971522 has 16 divisors (see below), whose sum is σ = 147225600. Its totient is φ = 38169040.

The previous prime is 86971519. The next prime is 86971529. The reversal of 86971522 is 22517968.

It is not an unprimeable number, because it can be changed into a prime (86971529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67522 + ... + 68797.

It is an arithmetic number, because the mean of its divisors is an integer number (9201600).

Almost surely, 2^86971522 is an apocalyptic number.

86971522 is a deficient number, since it is larger than the sum of its proper divisors (60254078).

86971522 is a wasteful number, since it uses less digits than its factorization.

86971522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136361.

The product of its digits is 60480, while the sum is 40.

The square root of 86971522 is about 9325.8523471048. The cubic root of 86971522 is about 443.0564092402.

The spelling of 86971522 in words is "eighty-six million, nine hundred seventy-one thousand, five hundred twenty-two".