97669564 has 12 divisors (see below), whose sum is σ = 176815800. Its totient is φ = 47150768.

The previous prime is 97669553. The next prime is 97669567. The reversal of 97669564 is 46596679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97669567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420874 + ... + 421105.

It is an arithmetic number, because the mean of its divisors is an integer number (14734650).

Almost surely, 2^97669564 is an apocalyptic number.

It is an amenable number.

97669564 is a deficient number, since it is larger than the sum of its proper divisors (79146236).

97669564 is a wasteful number, since it uses less digits than its factorization.

97669564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842012 (or 842010 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 97669564 is about 9882.7913061038. The cubic root of 97669564 is about 460.5248640358.

The spelling of 97669564 in words is "ninety-seven million, six hundred sixty-nine thousand, five hundred sixty-four".