86197750 has 16 divisors (see below), whose sum is σ = 161362656. Its totient is φ = 34479000.

The previous prime is 86197739. The next prime is 86197777. The reversal of 86197750 is 5779168.

It is a junction number, because it is equal to n+sod(n) for n = 86197697 and 86197706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172146 + ... + 172645.

It is an arithmetic number, because the mean of its divisors is an integer number (10085166).

Almost surely, 2^86197750 is an apocalyptic number.

86197750 is a deficient number, since it is larger than the sum of its proper divisors (75164906).

86197750 is a wasteful number, since it uses less digits than its factorization.

86197750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344808 (or 344798 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 86197750 is about 9284.2743389023. The cubic root of 86197750 is about 441.7385587651.

The spelling of 86197750 in words is "eighty-six million, one hundred ninety-seven thousand, seven hundred fifty".