97847069 has 4 divisors (see below), whose sum is σ = 97872060. Its totient is φ = 97822080.

The previous prime is 97847047. The next prime is 97847117. The reversal of 97847069 is 96074879.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88924900 + 8922169 = 9430^2 + 2987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97847069 is a prime.

It is a super-2 number, since 2×97847069² = 19148097823781522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97847569) 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, 5204 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (24468015).

Almost surely, 2^97847069 is an apocalyptic number.

It is an amenable number.

97847069 is a deficient number, since it is larger than the sum of its proper divisors (24991).

97847069 is a wasteful number, since it uses less digits than its factorization.

97847069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 97847069 is about 9891.7677388827. The cubic root of 97847069 is about 460.8036816840.

The spelling of 97847069 in words is "ninety-seven million, eight hundred forty-seven thousand, sixty-nine".