86980197 has 4 divisors (see below), whose sum is σ = 115973600. Its totient is φ = 57986796.

The previous prime is 86980189. The next prime is 86980241. The reversal of 86980197 is 79108968.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86980197 - 2³ = 86980189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86980297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14496697 + ... + 14496702.

It is an arithmetic number, because the mean of its divisors is an integer number (28993400).

Almost surely, 2^86980197 is an apocalyptic number.

It is an amenable number.

86980197 is a deficient number, since it is larger than the sum of its proper divisors (28993403).

86980197 is a wasteful number, since it uses less digits than its factorization.

86980197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28993402.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 86980197 is about 9326.3174404478. The cubic root of 86980197 is about 443.0711396810.

The spelling of 86980197 in words is "eighty-six million, nine hundred eighty thousand, one hundred ninety-seven".