86197070 has 16 divisors (see below), whose sum is σ = 155656080. Its totient is φ = 34367424.

The previous prime is 86197061. The next prime is 86197073. The reversal of 86197070 is 7079168.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86197073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10640 + ... + 16899.

It is an arithmetic number, because the mean of its divisors is an integer number (9728505).

Almost surely, 2^86197070 is an apocalyptic number.

86197070 is a deficient number, since it is larger than the sum of its proper divisors (69459010).

86197070 is a wasteful number, since it uses less digits than its factorization.

86197070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27859.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 86197070 is about 9284.2377177666. The cubic root of 86197070 is about 441.7373971609.

The spelling of 86197070 in words is "eighty-six million, one hundred ninety-seven thousand, seventy".