97007885 has 16 divisors (see below), whose sum is σ = 125601840. Its totient is φ = 71500800.

The previous prime is 97007881. The next prime is 97007891. The reversal of 97007885 is 58870079.

It can be written as a sum of positive squares in 8 ways, for example, as 3556996 + 93450889 = 1886^2 + 9667^2 .

It is not a de Polignac number, because 97007885 - 2² = 97007881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97007881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44501 + ... + 46629.

It is an arithmetic number, because the mean of its divisors is an integer number (7850115).

Almost surely, 2^97007885 is an apocalyptic number.

It is an amenable number.

97007885 is a deficient number, since it is larger than the sum of its proper divisors (28593955).

97007885 is a wasteful number, since it uses less digits than its factorization.

97007885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 97007885 is about 9849.2580938871. The cubic root of 97007885 is about 459.4825387860.

The spelling of 97007885 in words is "ninety-seven million, seven thousand, eight hundred eighty-five".