97430478 has 8 divisors (see below), whose sum is σ = 194860968. Its totient is φ = 32476824.

The previous prime is 97430467. The next prime is 97430491. The reversal of 97430478 is 87403479.

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

97430478 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 8119201 + ... + 8119212.

It is an arithmetic number, because the mean of its divisors is an integer number (24357621).

Almost surely, 2^97430478 is an apocalyptic number.

97430478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97430478 is a wasteful number, since it uses less digits than its factorization.

97430478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16238418.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 97430478 is about 9870.6878179790. The cubic root of 97430478 is about 460.1487830002.

The spelling of 97430478 in words is "ninety-seven million, four hundred thirty thousand, four hundred seventy-eight".