97066187 has 4 divisors (see below), whose sum is σ = 101286480. Its totient is φ = 92845896.

The previous prime is 97066171. The next prime is 97066201. The reversal of 97066187 is 78166079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97066187 - 2⁴ = 97066171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97065187) 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, 2110112 + ... + 2110157.

It is an arithmetic number, because the mean of its divisors is an integer number (25321620).

Almost surely, 2^97066187 is an apocalyptic number.

97066187 is a deficient number, since it is larger than the sum of its proper divisors (4220293).

97066187 is a wasteful number, since it uses less digits than its factorization.

97066187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220292.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 97066187 is about 9852.2173646342. The cubic root of 97066187 is about 459.5745704322.

The spelling of 97066187 in words is "ninety-seven million, sixty-six thousand, one hundred eighty-seven".