97865247 has 16 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 63965184.

The previous prime is 97865231. The next prime is 97865249. The reversal of 97865247 is 74256879.

It is not a de Polignac number, because 97865247 - 2⁴ = 97865231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97865196 and 97865205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97865249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126879 + ... + 127647.

It is an arithmetic number, because the mean of its divisors is an integer number (8316000).

Almost surely, 2^97865247 is an apocalyptic number.

97865247 is a deficient number, since it is larger than the sum of its proper divisors (35190753).

97865247 is a wasteful number, since it uses less digits than its factorization.

97865247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its digits is 846720, while the sum is 48.

The square root of 97865247 is about 9892.6865410767. The cubic root of 97865247 is about 460.8322159084.

The spelling of 97865247 in words is "ninety-seven million, eight hundred sixty-five thousand, two hundred forty-seven".