97071885 has 32 divisors (see below), whose sum is σ = 175841280. Its totient is φ = 50791104.

The previous prime is 97071883. The next prime is 97071911. The reversal of 97071885 is 58817079.

It is not a de Polignac number, because 97071885 - 2¹ = 97071883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97071885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97071883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (5495040).

Almost surely, 2^97071885 is an apocalyptic number.

It is an amenable number.

97071885 is a deficient number, since it is larger than the sum of its proper divisors (78769395).

97071885 is a wasteful number, since it uses less digits than its factorization.

97071885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634 (or 13628 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 97071885 is about 9852.5065338725. The cubic root of 97071885 is about 459.5835629377.

The spelling of 97071885 in words is "ninety-seven million, seventy-one thousand, eight hundred eighty-five".