97512478 has 32 divisors (see below), whose sum is σ = 169850880. Its totient is φ = 41126400.

The previous prime is 97512463. The next prime is 97512487. The reversal of 97512478 is 87421579.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 407883 + ... + 408121.

It is an arithmetic number, because the mean of its divisors is an integer number (5307840).

Almost surely, 2^97512478 is an apocalyptic number.

97512478 is a deficient number, since it is larger than the sum of its proper divisors (72338402).

97512478 is a wasteful number, since it uses less digits than its factorization.

97512478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its digits is 141120, while the sum is 43.

The square root of 97512478 is about 9874.8406569423. The cubic root of 97512478 is about 460.2778378246.

The spelling of 97512478 in words is "ninety-seven million, five hundred twelve thousand, four hundred seventy-eight".