97861272 has 32 divisors (see below), whose sum is σ = 248308800. Its totient is φ = 32133024.

The previous prime is 97861271. The next prime is 97861279. The reversal of 97861272 is 27216879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97861271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28822 + ... + 32037.

It is an arithmetic number, because the mean of its divisors is an integer number (7759650).

Almost surely, 2^97861272 is an apocalyptic number.

It is an amenable number.

97861272 is an abundant number, since it is smaller than the sum of its proper divisors (150447528).

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

97861272 is a wasteful number, since it uses less digits than its factorization.

97861272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60935 (or 60931 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 97861272 is about 9892.4856330449. The cubic root of 97861272 is about 460.8259766051.

The spelling of 97861272 in words is "ninety-seven million, eight hundred sixty-one thousand, two hundred seventy-two".