97116947 has 4 divisors (see below), whose sum is σ = 97156080. Its totient is φ = 97077816.

The previous prime is 97116931. The next prime is 97116967. The reversal of 97116947 is 74961179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97116947 - 2⁴ = 97116931 is a prime.

It is a super-3 number, since 3×97116947³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97116898 and 97116907.

It is not an unprimeable number, because it can be changed into a prime (97116907) 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, 15572 + ... + 20897.

It is an arithmetic number, because the mean of its divisors is an integer number (24289020).

Almost surely, 2^97116947 is an apocalyptic number.

97116947 is a deficient number, since it is larger than the sum of its proper divisors (39133).

97116947 is a wasteful number, since it uses less digits than its factorization.

With its successor (97116948) it forms an eRAP, since the sums of their prime factors are consecutive (39132 and 39133).

97116947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39132.

The product of its digits is 95256, while the sum is 44.

The square root of 97116947 is about 9854.7930977773. The cubic root of 97116947 is about 459.6546667757.

The spelling of 97116947 in words is "ninety-seven million, one hundred sixteen thousand, nine hundred forty-seven".