86897016 has 128 divisors (see below), whose sum is σ = 252806400. Its totient is φ = 27630720.

The previous prime is 86897011. The next prime is 86897017. The reversal of 86897016 is 61079868.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86897011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663271 + ... + 663401.

It is an arithmetic number, because the mean of its divisors is an integer number (1975050).

Almost surely, 2^86897016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86897016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126403200).

86897016 is an abundant number, since it is smaller than the sum of its proper divisors (165909384).

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

86897016 is a wasteful number, since it uses less digits than its factorization.

86897016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 86897016 is about 9321.8568965630. The cubic root of 86897016 is about 442.9298552031.

The spelling of 86897016 in words is "eighty-six million, eight hundred ninety-seven thousand, sixteen".