97766028 has 30 divisors (see below), whose sum is σ = 255580556. Its totient is φ = 32588568.

The previous prime is 97766021. The next prime is 97766051. The reversal of 97766028 is 82066779.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (97766021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 150550 + ... + 151197.

Almost surely, 2^97766028 is an apocalyptic number.

It is an amenable number.

97766028 is an abundant number, since it is smaller than the sum of its proper divisors (157814528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97766028 is a wasteful number, since it uses less digits than its factorization.

97766028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301763 (or 301752 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 97766028 is about 9887.6705042189. The cubic root of 97766028 is about 460.6764276394.

The spelling of 97766028 in words is "ninety-seven million, seven hundred sixty-six thousand, twenty-eight".