97534378 has 4 divisors (see below), whose sum is σ = 146301570. Its totient is φ = 48767188.

The previous prime is 97534369. The next prime is 97534403. The reversal of 97534378 is 87343579.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 49744809 + 47789569 = 7053^2 + 6913^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24383593 + ... + 24383596.

Almost surely, 2^97534378 is an apocalyptic number.

97534378 is a deficient number, since it is larger than the sum of its proper divisors (48767192).

97534378 is a wasteful number, since it uses less digits than its factorization.

97534378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48767191.

The product of its digits is 635040, while the sum is 46.

The square root of 97534378 is about 9875.9494733418. The cubic root of 97534378 is about 460.3122926633.

It can be divided in two parts, 975 and 34378, that added together give a palindrome (35353).

The spelling of 97534378 in words is "ninety-seven million, five hundred thirty-four thousand, three hundred seventy-eight".