97667553 has 8 divisors (see below), whose sum is σ = 130269600. Its totient is φ = 65088608.

The previous prime is 97667539. The next prime is 97667561. The reversal of 97667553 is 35576679.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97667553 - 2⁶ = 97667489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97669553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11338 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (16283700).

Almost surely, 2^97667553 is an apocalyptic number.

It is an amenable number.

97667553 is a deficient number, since it is larger than the sum of its proper divisors (32602047).

97667553 is a wasteful number, since it uses less digits than its factorization.

97667553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551.

The product of its digits is 1190700, while the sum is 48.

The square root of 97667553 is about 9882.6895630694. The cubic root of 97667553 is about 460.5217033041.

The spelling of 97667553 in words is "ninety-seven million, six hundred sixty-seven thousand, five hundred fifty-three".