97828845 has 8 divisors (see below), whose sum is σ = 156526176. Its totient is φ = 52175376.

The previous prime is 97828837. The next prime is 97828847. The reversal of 97828845 is 54882879.

It is a happy number.

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

It is not a de Polignac number, because 97828845 - 2³ = 97828837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97828847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260947 + ... + 3260976.

It is an arithmetic number, because the mean of its divisors is an integer number (19565772).

Almost surely, 2^97828845 is an apocalyptic number.

It is an amenable number.

97828845 is a deficient number, since it is larger than the sum of its proper divisors (58697331).

97828845 is a wasteful number, since it uses less digits than its factorization.

97828845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521931.

The product of its digits is 1290240, while the sum is 51.

The square root of 97828845 is about 9890.8465259552. The cubic root of 97828845 is about 460.7750717053.

The spelling of 97828845 in words is "ninety-seven million, eight hundred twenty-eight thousand, eight hundred forty-five".