97021885 has 8 divisors (see below), whose sum is σ = 122554080. Its totient is φ = 73532304.

The previous prime is 97021831. The next prime is 97021921. The reversal of 97021885 is 58812079.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97021885 - 2¹⁷ = 96890813 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 510547 + ... + 510736.

It is an arithmetic number, because the mean of its divisors is an integer number (15319260).

Almost surely, 2^97021885 is an apocalyptic number.

97021885 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97021885 is a deficient number, since it is larger than the sum of its proper divisors (25532195).

97021885 is a wasteful number, since it uses less digits than its factorization.

97021885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021307.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 97021885 is about 9849.9687816764. The cubic root of 97021885 is about 459.5046416151.

The spelling of 97021885 in words is "ninety-seven million, twenty-one thousand, eight hundred eighty-five".