97147047 has 16 divisors (see below), whose sum is σ = 131051520. Its totient is φ = 64008672.

The previous prime is 97147033. The next prime is 97147049. The reversal of 97147047 is 74074179.

It is not a de Polignac number, because 97147047 - 2⁷ = 97146919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97146996 and 97147014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97147049) 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, 112138 + ... + 113000.

It is an arithmetic number, because the mean of its divisors is an integer number (8190720).

Almost surely, 2^97147047 is an apocalyptic number.

97147047 is a deficient number, since it is larger than the sum of its proper divisors (33904473).

97147047 is a wasteful number, since it uses less digits than its factorization.

97147047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 97147047 is about 9856.3201551086. The cubic root of 97147047 is about 459.7021496534.

It can be divided in two parts, 9714 and 7047, that added together give a palindrome (16761).

The spelling of 97147047 in words is "ninety-seven million, one hundred forty-seven thousand, forty-seven".