97211007 has 12 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 64296288.

The previous prime is 97210991. The next prime is 97211047. The reversal of 97211007 is 70011279.

It is not a de Polignac number, because 97211007 - 2⁴ = 97210991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41382 + ... + 43667.

It is an arithmetic number, because the mean of its divisors is an integer number (11793600).

Almost surely, 2^97211007 is an apocalyptic number.

97211007 is a deficient number, since it is larger than the sum of its proper divisors (44312193).

97211007 is a wasteful number, since it uses less digits than its factorization.

97211007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85182 (or 85179 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 97211007 is about 9859.5642398637. The cubic root of 97211007 is about 459.8030142706.

The spelling of 97211007 in words is "ninety-seven million, two hundred eleven thousand, seven".