86917122 has 12 divisors (see below), whose sum is σ = 188320470. Its totient is φ = 28972368.

The previous prime is 86917111. The next prime is 86917163. The reversal of 86917122 is 22171968.

It can be written as a sum of positive squares in only one way, i.e., 86322681 + 594441 = 9291^2 + 771^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2414347 + ... + 2414382.

Almost surely, 2^86917122 is an apocalyptic number.

86917122 is an abundant number, since it is smaller than the sum of its proper divisors (101403348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86917122 is a wasteful number, since it uses less digits than its factorization.

86917122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828737 (or 4828734 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 86917122 is about 9322.9352673930. The cubic root of 86917122 is about 442.9640138786.

The spelling of 86917122 in words is "eighty-six million, nine hundred seventeen thousand, one hundred twenty-two".