97851772 has 12 divisors (see below), whose sum is σ = 172129216. Its totient is φ = 48672000.

The previous prime is 97851763. The next prime is 97851773. The reversal of 97851772 is 27715879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97851773) 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, 62604 + ... + 64147.

Almost surely, 2^97851772 is an apocalyptic number.

It is an amenable number.

97851772 is a deficient number, since it is larger than the sum of its proper divisors (74277444).

97851772 is a wasteful number, since it uses less digits than its factorization.

97851772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126948 (or 126946 counting only the distinct ones).

The product of its digits is 246960, while the sum is 46.

The square root of 97851772 is about 9892.0054589552. The cubic root of 97851772 is about 460.8110643783.

The spelling of 97851772 in words is "ninety-seven million, eight hundred fifty-one thousand, seven hundred seventy-two".