97785164 has 12 divisors (see below), whose sum is σ = 175298088. Its totient is φ = 47700000.

The previous prime is 97785151. The next prime is 97785169. The reversal of 97785164 is 46158779.

It is a super-3 number, since 3×97785164³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (97785169) 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, 297962 + ... + 298289.

It is an arithmetic number, because the mean of its divisors is an integer number (14608174).

Almost surely, 2^97785164 is an apocalyptic number.

It is an amenable number.

97785164 is a deficient number, since it is larger than the sum of its proper divisors (77512924).

97785164 is a wasteful number, since it uses less digits than its factorization.

97785164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596296 (or 596294 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 97785164 is about 9888.6381266583. The cubic root of 97785164 is about 460.7064821454.

The spelling of 97785164 in words is "ninety-seven million, seven hundred eighty-five thousand, one hundred sixty-four".