97770328 has 16 divisors (see below), whose sum is σ = 183529080. Its totient is φ = 48829248.

The previous prime is 97770313. The next prime is 97770329. The reversal of 97770328 is 82307779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97770329) 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, 975 + ... + 14017.

Almost surely, 2^97770328 is an apocalyptic number.

It is an amenable number.

97770328 is a deficient number, since it is larger than the sum of its proper divisors (85758752).

97770328 is a wasteful number, since it uses less digits than its factorization.

97770328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986 (or 13982 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 97770328 is about 9887.8879443489. The cubic root of 97770328 is about 460.6831814496.

The spelling of 97770328 in words is "ninety-seven million, seven hundred seventy thousand, three hundred twenty-eight".