97400885 has 4 divisors (see below), whose sum is σ = 116881068. Its totient is φ = 77920704.

The previous prime is 97400869. The next prime is 97400893. The reversal of 97400885 is 58800479.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16957924 + 80442961 = 4118^2 + 8969^2 .

It is a cyclic number.

It is not a de Polignac number, because 97400885 - 2⁴ = 97400869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740084 + ... + 9740093.

It is an arithmetic number, because the mean of its divisors is an integer number (29220267).

Almost surely, 2^97400885 is an apocalyptic number.

It is an amenable number.

97400885 is a deficient number, since it is larger than the sum of its proper divisors (19480183).

97400885 is a wasteful number, since it uses less digits than its factorization.

97400885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19480182.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 97400885 is about 9869.1886697945. The cubic root of 97400885 is about 460.1021905919.

The spelling of 97400885 in words is "ninety-seven million, four hundred thousand, eight hundred eighty-five".