97493578 has 16 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 38568816.

The previous prime is 97493569. The next prime is 97493609. The reversal of 97493578 is 87539479.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267658 + ... + 268021.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^97493578 is an apocalyptic number.

97493578 is a deficient number, since it is larger than the sum of its proper divisors (82494902).

97493578 is a wasteful number, since it uses less digits than its factorization.

97493578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535701.

The product of its digits is 1905120, while the sum is 52.

The square root of 97493578 is about 9873.8836331000. The cubic root of 97493578 is about 460.2480986793.

The spelling of 97493578 in words is "ninety-seven million, four hundred ninety-three thousand, five hundred seventy-eight".