97858066 has 4 divisors (see below), whose sum is σ = 146787102. Its totient is φ = 48929032.

The previous prime is 97858043. The next prime is 97858109. The reversal of 97858066 is 66085879.

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., 72607441 + 25250625 = 8521^2 + 5025^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24464515 + ... + 24464518.

Almost surely, 2^97858066 is an apocalyptic number.

97858066 is a deficient number, since it is larger than the sum of its proper divisors (48929036).

97858066 is a wasteful number, since it uses less digits than its factorization.

97858066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48929035.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 97858066 is about 9892.3235895314. The cubic root of 97858066 is about 460.8209442289.

The spelling of 97858066 in words is "ninety-seven million, eight hundred fifty-eight thousand, sixty-six".