97478844 has 12 divisors (see below), whose sum is σ = 227450664. Its totient is φ = 32492944.

The previous prime is 97478827. The next prime is 97478851. The reversal of 97478844 is 44887479.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4061607 + ... + 4061630.

It is an arithmetic number, because the mean of its divisors is an integer number (18954222).

Almost surely, 2^97478844 is an apocalyptic number.

It is an amenable number.

97478844 is an abundant number, since it is smaller than the sum of its proper divisors (129971820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97478844 is a wasteful number, since it uses less digits than its factorization.

97478844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123244 (or 8123242 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 97478844 is about 9873.1374952444. The cubic root of 97478844 is about 460.2249120679.

The spelling of 97478844 in words is "ninety-seven million, four hundred seventy-eight thousand, eight hundred forty-four".